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Finding the Fourth Proportional to 557,354.43, 835,767.99 and 215,957.61

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Solution

The fourth proportional to 557,354.43, 835,767.99 and 215,957.61 is: 323,834.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,354.43 : 835,767.99 = 215,957.61 : x
  2. Step 2: Convert to fraction form
    557,354.43/835,767.99 = 215,957.61/x
  3. Step 3: Cross multiply
    557,354.43x = 835,767.99 × 215,957.61
  4. Step 4: Simplify right side
    557,354.43x = 180,490,457,634.90
  5. Step 5: Solve for x
    x = 180,490,457,634.90/557,354.43
  6. Step 6: Final answer
    x = 323,834.26

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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.