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Finding the Fourth Proportional to 376,450.22, 564,555.65 and 123,672.11

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Solution

The fourth proportional to 376,450.22, 564,555.65 and 123,672.11 is: 185,468.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,450.22 : 564,555.65 = 123,672.11 : x
  2. Step 2: Convert to fraction form
    376,450.22/564,555.65 = 123,672.11/x
  3. Step 3: Cross multiply
    376,450.22x = 564,555.65 × 123,672.11
  4. Step 4: Simplify right side
    376,450.22x = 69,819,785,006.78
  5. Step 5: Solve for x
    x = 69,819,785,006.78/376,450.22
  6. Step 6: Final answer
    x = 185,468.84

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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.