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Finding the Fourth Proportional to 375,229.33, 517,811.33 and 205,463.45

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Solution

The fourth proportional to 375,229.33, 517,811.33 and 205,463.45 is: 283,536.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,229.33 : 517,811.33 = 205,463.45 : x
  2. Step 2: Convert to fraction form
    375,229.33/517,811.33 = 205,463.45/x
  3. Step 3: Cross multiply
    375,229.33x = 517,811.33 × 205,463.45
  4. Step 4: Simplify right side
    375,229.33x = 106,391,304,119.08
  5. Step 5: Solve for x
    x = 106,391,304,119.08/375,229.33
  6. Step 6: Final answer
    x = 283,536.75

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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.