Home / 375,046.14-517,637.45-284,243.72

Finding the Fourth Proportional to 375,046.14, 517,637.45 and 284,243.72

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Solution

The fourth proportional to 375,046.14, 517,637.45 and 284,243.72 is: 392,312.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,046.14 : 517,637.45 = 284,243.72 : x
  2. Step 2: Convert to fraction form
    375,046.14/517,637.45 = 284,243.72/x
  3. Step 3: Cross multiply
    375,046.14x = 517,637.45 × 284,243.72
  4. Step 4: Simplify right side
    375,046.14x = 147,135,192,978.10
  5. Step 5: Solve for x
    x = 147,135,192,978.10/375,046.14
  6. Step 6: Final answer
    x = 392,312.24

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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.