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Finding the Fourth Proportional to 376,697.87, 519,979.52 and 249,414.47

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Solution

The fourth proportional to 376,697.87, 519,979.52 and 249,414.47 is: 344,282.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,697.87 : 519,979.52 = 249,414.47 : x
  2. Step 2: Convert to fraction form
    376,697.87/519,979.52 = 249,414.47/x
  3. Step 3: Cross multiply
    376,697.87x = 519,979.52 × 249,414.47
  4. Step 4: Simplify right side
    376,697.87x = 129,690,414,415.29
  5. Step 5: Solve for x
    x = 129,690,414,415.29/376,697.87
  6. Step 6: Final answer
    x = 344,282.32

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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.