Home / 875,151.55-1,312,727.19-210,303.55

Finding the Fourth Proportional to 875,151.55, 1,312,727.19 and 210,303.55

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Solution

The fourth proportional to 875,151.55, 1,312,727.19 and 210,303.55 is: 315,455.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,151.55 : 1,312,727.19 = 210,303.55 : x
  2. Step 2: Convert to fraction form
    875,151.55/1,312,727.19 = 210,303.55/x
  3. Step 3: Cross multiply
    875,151.55x = 1,312,727.19 × 210,303.55
  4. Step 4: Simplify right side
    875,151.55x = 276,071,187,187.01
  5. Step 5: Solve for x
    x = 276,071,187,187.01/875,151.55
  6. Step 6: Final answer
    x = 315,455.29

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.