Home / 217,225.08-325,670.81-82,287.18

Finding the Fourth Proportional to 217,225.08, 325,670.81 and 82,287.18

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Solution

The fourth proportional to 217,225.08, 325,670.81 and 82,287.18 is: 123,367.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,225.08 : 325,670.81 = 82,287.18 : x
  2. Step 2: Convert to fraction form
    217,225.08/325,670.81 = 82,287.18/x
  3. Step 3: Cross multiply
    217,225.08x = 325,670.81 × 82,287.18
  4. Step 4: Simplify right side
    217,225.08x = 26,798,532,151.78
  5. Step 5: Solve for x
    x = 26,798,532,151.78/217,225.08
  6. Step 6: Final answer
    x = 123,367.58

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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.