Home / 454,741.20-682,111.80-155,231.55

Finding the Fourth Proportional to 454,741.20, 682,111.80 and 155,231.55

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Solution

The fourth proportional to 454,741.20, 682,111.80 and 155,231.55 is: 232,847.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,741.20 : 682,111.80 = 155,231.55 : x
  2. Step 2: Convert to fraction form
    454,741.20/682,111.80 = 155,231.55/x
  3. Step 3: Cross multiply
    454,741.20x = 682,111.80 × 155,231.55
  4. Step 4: Simplify right side
    454,741.20x = 105,885,271,987.29
  5. Step 5: Solve for x
    x = 105,885,271,987.29/454,741.20
  6. Step 6: Final answer
    x = 232,847.33

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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.