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Finding the Fourth Proportional to 329,057.25, 493,585.94 and 118,695.17

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Solution

The fourth proportional to 329,057.25, 493,585.94 and 118,695.17 is: 178,042.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,057.25 : 493,585.94 = 118,695.17 : x
  2. Step 2: Convert to fraction form
    329,057.25/493,585.94 = 118,695.17/x
  3. Step 3: Cross multiply
    329,057.25x = 493,585.94 × 118,695.17
  4. Step 4: Simplify right side
    329,057.25x = 58,586,267,057.91
  5. Step 5: Solve for x
    x = 58,586,267,057.91/329,057.25
  6. Step 6: Final answer
    x = 178,042.78

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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.