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Finding the Fourth Proportional to 352,793.69, 487,057.13 and 232,284.97

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Solution

The fourth proportional to 352,793.69, 487,057.13 and 232,284.97 is: 320,686.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,793.69 : 487,057.13 = 232,284.97 : x
  2. Step 2: Convert to fraction form
    352,793.69/487,057.13 = 232,284.97/x
  3. Step 3: Cross multiply
    352,793.69x = 487,057.13 × 232,284.97
  4. Step 4: Simplify right side
    352,793.69x = 113,136,050,830.34
  5. Step 5: Solve for x
    x = 113,136,050,830.34/352,793.69
  6. Step 6: Final answer
    x = 320,686.15

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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.