Home / 330,144.19-495,385.17-157,231.69

Finding the Fourth Proportional to 330,144.19, 495,385.17 and 157,231.69

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Solution

The fourth proportional to 330,144.19, 495,385.17 and 157,231.69 is: 235,927.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,144.19 : 495,385.17 = 157,231.69 : x
  2. Step 2: Convert to fraction form
    330,144.19/495,385.17 = 157,231.69/x
  3. Step 3: Cross multiply
    330,144.19x = 495,385.17 × 157,231.69
  4. Step 4: Simplify right side
    330,144.19x = 77,890,246,995.25
  5. Step 5: Solve for x
    x = 77,890,246,995.25/330,144.19
  6. Step 6: Final answer
    x = 235,927.97

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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.