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Finding the Fourth Proportional to 438,760.16, 658,004.14 and 158,240.96

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Solution

The fourth proportional to 438,760.16, 658,004.14 and 158,240.96 is: 237,312.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,760.16 : 658,004.14 = 158,240.96 : x
  2. Step 2: Convert to fraction form
    438,760.16/658,004.14 = 158,240.96/x
  3. Step 3: Cross multiply
    438,760.16x = 658,004.14 × 158,240.96
  4. Step 4: Simplify right side
    438,760.16x = 104,123,206,797.57
  5. Step 5: Solve for x
    x = 104,123,206,797.57/438,760.16
  6. Step 6: Final answer
    x = 237,312.35

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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.