Home / 375,152.31-517,723.25-205,387.65

Finding the Fourth Proportional to 375,152.31, 517,723.25 and 205,387.65

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Solution

The fourth proportional to 375,152.31, 517,723.25 and 205,387.65 is: 283,442.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,152.31 : 517,723.25 = 205,387.65 : x
  2. Step 2: Convert to fraction form
    375,152.31/517,723.25 = 205,387.65/x
  3. Step 3: Cross multiply
    375,152.31x = 517,723.25 × 205,387.65
  4. Step 4: Simplify right side
    375,152.31x = 106,333,960,640.92
  5. Step 5: Solve for x
    x = 106,333,960,640.92/375,152.31
  6. Step 6: Final answer
    x = 283,442.11

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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.