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Finding the Fourth Proportional to 372,407.52, 558,698.76 and 123,089.52

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Solution

The fourth proportional to 372,407.52, 558,698.76 and 123,089.52 is: 184,663.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,407.52 : 558,698.76 = 123,089.52 : x
  2. Step 2: Convert to fraction form
    372,407.52/558,698.76 = 123,089.52/x
  3. Step 3: Cross multiply
    372,407.52x = 558,698.76 × 123,089.52
  4. Step 4: Simplify right side
    372,407.52x = 68,769,962,193.00
  5. Step 5: Solve for x
    x = 68,769,962,193.00/372,407.52
  6. Step 6: Final answer
    x = 184,663.19

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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.