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Finding the Fourth Proportional to 377,381.52, 520,785.72 and 207,615.24

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Solution

The fourth proportional to 377,381.52, 520,785.72 and 207,615.24 is: 286,508.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,381.52 : 520,785.72 = 207,615.24 : x
  2. Step 2: Convert to fraction form
    377,381.52/520,785.72 = 207,615.24/x
  3. Step 3: Cross multiply
    377,381.52x = 520,785.72 × 207,615.24
  4. Step 4: Simplify right side
    377,381.52x = 108,123,052,246.37
  5. Step 5: Solve for x
    x = 108,123,052,246.37/377,381.52
  6. Step 6: Final answer
    x = 286,508.60

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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.