Home / 389,957.52-584,957.03-123,738.87

Finding the Fourth Proportional to 389,957.52, 584,957.03 and 123,738.87

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Solution

The fourth proportional to 389,957.52, 584,957.03 and 123,738.87 is: 185,614.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,957.52 : 584,957.03 = 123,738.87 : x
  2. Step 2: Convert to fraction form
    389,957.52/584,957.03 = 123,738.87/x
  3. Step 3: Cross multiply
    389,957.52x = 584,957.03 × 123,738.87
  4. Step 4: Simplify right side
    389,957.52x = 72,381,921,272.06
  5. Step 5: Solve for x
    x = 72,381,921,272.06/389,957.52
  6. Step 6: Final answer
    x = 185,614.89

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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.