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Finding the Fourth Proportional to 377,330.32, 520,713.12 and 207,560.80

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Solution

The fourth proportional to 377,330.32, 520,713.12 and 207,560.80 is: 286,432.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,330.32 : 520,713.12 = 207,560.80 : x
  2. Step 2: Convert to fraction form
    377,330.32/520,713.12 = 207,560.80/x
  3. Step 3: Cross multiply
    377,330.32x = 520,713.12 × 207,560.80
  4. Step 4: Simplify right side
    377,330.32x = 108,079,631,757.70
  5. Step 5: Solve for x
    x = 108,079,631,757.70/377,330.32
  6. Step 6: Final answer
    x = 286,432.41

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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.