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Finding the Fourth Proportional to 187,316.52, 280,977.42 and 60,957.42

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Solution

The fourth proportional to 187,316.52, 280,977.42 and 60,957.42 is: 91,436.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,316.52 : 280,977.42 = 60,957.42 : x
  2. Step 2: Convert to fraction form
    187,316.52/280,977.42 = 60,957.42/x
  3. Step 3: Cross multiply
    187,316.52x = 280,977.42 × 60,957.42
  4. Step 4: Simplify right side
    187,316.52x = 17,127,658,601.46
  5. Step 5: Solve for x
    x = 17,127,658,601.46/187,316.52
  6. Step 6: Final answer
    x = 91,436.99

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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.