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Finding the Fourth Proportional to 372,694.76, 559,035.39 and 92,211.92

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Solution

The fourth proportional to 372,694.76, 559,035.39 and 92,211.92 is: 138,316.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,694.76 : 559,035.39 = 92,211.92 : x
  2. Step 2: Convert to fraction form
    372,694.76/559,035.39 = 92,211.92/x
  3. Step 3: Cross multiply
    372,694.76x = 559,035.39 × 92,211.92
  4. Step 4: Simplify right side
    372,694.76x = 51,549,726,659.85
  5. Step 5: Solve for x
    x = 51,549,726,659.85/372,694.76
  6. Step 6: Final answer
    x = 138,316.21

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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.