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Finding the Fourth Proportional to 337,059.29, 505,590.32 and 84,339.09

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Solution

The fourth proportional to 337,059.29, 505,590.32 and 84,339.09 is: 126,508.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,059.29 : 505,590.32 = 84,339.09 : x
  2. Step 2: Convert to fraction form
    337,059.29/505,590.32 = 84,339.09/x
  3. Step 3: Cross multiply
    337,059.29x = 505,590.32 × 84,339.09
  4. Step 4: Simplify right side
    337,059.29x = 42,641,027,712.46
  5. Step 5: Solve for x
    x = 42,641,027,712.46/337,059.29
  6. Step 6: Final answer
    x = 126,508.98

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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.