Home / 375,591.52-518,320.38-205,822

Finding the Fourth Proportional to 375,591.52, 518,320.38 and 205,822

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Solution

The fourth proportional to 375,591.52, 518,320.38 and 205,822 is: 284,036.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,591.52 : 518,320.38 = 205,822 : x
  2. Step 2: Convert to fraction form
    375,591.52/518,320.38 = 205,822/x
  3. Step 3: Cross multiply
    375,591.52x = 518,320.38 × 205,822
  4. Step 4: Simplify right side
    375,591.52x = 106,681,737,252.36
  5. Step 5: Solve for x
    x = 106,681,737,252.36/375,591.52
  6. Step 6: Final answer
    x = 284,036.60

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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.