Home / 374,747.20-517,005.87-238,756.79

Finding the Fourth Proportional to 374,747.20, 517,005.87 and 238,756.79

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Solution

The fourth proportional to 374,747.20, 517,005.87 and 238,756.79 is: 329,391.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,747.20 : 517,005.87 = 238,756.79 : x
  2. Step 2: Convert to fraction form
    374,747.20/517,005.87 = 238,756.79/x
  3. Step 3: Cross multiply
    374,747.20x = 517,005.87 × 238,756.79
  4. Step 4: Simplify right side
    374,747.20x = 123,438,661,932.36
  5. Step 5: Solve for x
    x = 123,438,661,932.36/374,747.20
  6. Step 6: Final answer
    x = 329,391.82

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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.