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Finding the Fourth Proportional to 239,535, 359,292.78 and 71,048.52

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Solution

The fourth proportional to 239,535, 359,292.78 and 71,048.52 is: 106,569.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,535 : 359,292.78 = 71,048.52 : x
  2. Step 2: Convert to fraction form
    239,535/359,292.78 = 71,048.52/x
  3. Step 3: Cross multiply
    239,535x = 359,292.78 × 71,048.52
  4. Step 4: Simplify right side
    239,535x = 25,527,220,265.69
  5. Step 5: Solve for x
    x = 25,527,220,265.69/239,535
  6. Step 6: Final answer
    x = 106,569.90

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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.