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Finding the Fourth Proportional to 452,439.97, 678,509.25 and 182,498.38

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Solution

The fourth proportional to 452,439.97, 678,509.25 and 182,498.38 is: 273,686.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,439.97 : 678,509.25 = 182,498.38 : x
  2. Step 2: Convert to fraction form
    452,439.97/678,509.25 = 182,498.38/x
  3. Step 3: Cross multiply
    452,439.97x = 678,509.25 × 182,498.38
  4. Step 4: Simplify right side
    452,439.97x = 123,826,841,256.30
  5. Step 5: Solve for x
    x = 123,826,841,256.30/452,439.97
  6. Step 6: Final answer
    x = 273,686.79

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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.