Home / 396,132.52-546,663.76-226,366.24

Finding the Fourth Proportional to 396,132.52, 546,663.76 and 226,366.24

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Solution

The fourth proportional to 396,132.52, 546,663.76 and 226,366.24 is: 312,385.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,132.52 : 546,663.76 = 226,366.24 : x
  2. Step 2: Convert to fraction form
    396,132.52/546,663.76 = 226,366.24/x
  3. Step 3: Cross multiply
    396,132.52x = 546,663.76 × 226,366.24
  4. Step 4: Simplify right side
    396,132.52x = 123,746,219,895.46
  5. Step 5: Solve for x
    x = 123,746,219,895.46/396,132.52
  6. Step 6: Final answer
    x = 312,385.92

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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.