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Finding the Fourth Proportional to 377,522.92, 521,003.14 and 216,404.76

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Solution

The fourth proportional to 377,522.92, 521,003.14 and 216,404.76 is: 298,650.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,522.92 : 521,003.14 = 216,404.76 : x
  2. Step 2: Convert to fraction form
    377,522.92/521,003.14 = 216,404.76/x
  3. Step 3: Cross multiply
    377,522.92x = 521,003.14 × 216,404.76
  4. Step 4: Simplify right side
    377,522.92x = 112,747,559,470.95
  5. Step 5: Solve for x
    x = 112,747,559,470.95/377,522.92
  6. Step 6: Final answer
    x = 298,650.90

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1.5x scale

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.