Home / 226,572.59-312,694.07-129,784.17

Finding the Fourth Proportional to 226,572.59, 312,694.07 and 129,784.17

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Solution

The fourth proportional to 226,572.59, 312,694.07 and 129,784.17 is: 179,115.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,572.59 : 312,694.07 = 129,784.17 : x
  2. Step 2: Convert to fraction form
    226,572.59/312,694.07 = 129,784.17/x
  3. Step 3: Cross multiply
    226,572.59x = 312,694.07 × 129,784.17
  4. Step 4: Simplify right side
    226,572.59x = 40,582,741,592.59
  5. Step 5: Solve for x
    x = 40,582,741,592.59/226,572.59
  6. Step 6: Final answer
    x = 179,115.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.