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Finding the Fourth Proportional to 372,960.62, 514,685.72 and 203,194.76

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Solution

The fourth proportional to 372,960.62, 514,685.72 and 203,194.76 is: 280,408.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,960.62 : 514,685.72 = 203,194.76 : x
  2. Step 2: Convert to fraction form
    372,960.62/514,685.72 = 203,194.76/x
  3. Step 3: Cross multiply
    372,960.62x = 514,685.72 × 203,194.76
  4. Step 4: Simplify right side
    372,960.62x = 104,581,441,350.83
  5. Step 5: Solve for x
    x = 104,581,441,350.83/372,960.62
  6. Step 6: Final answer
    x = 280,408.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.