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Finding the Fourth Proportional to 217,130.38, 325,695.71 and 59,346.97

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Solution

The fourth proportional to 217,130.38, 325,695.71 and 59,346.97 is: 89,020.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,130.38 : 325,695.71 = 59,346.97 : x
  2. Step 2: Convert to fraction form
    217,130.38/325,695.71 = 59,346.97/x
  3. Step 3: Cross multiply
    217,130.38x = 325,695.71 × 59,346.97
  4. Step 4: Simplify right side
    217,130.38x = 19,329,053,530.50
  5. Step 5: Solve for x
    x = 19,329,053,530.50/217,130.38
  6. Step 6: Final answer
    x = 89,020.49

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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.