Home / 374,748.20-517,007.25-238,757.79

Finding the Fourth Proportional to 374,748.20, 517,007.25 and 238,757.79

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Solution

The fourth proportional to 374,748.20, 517,007.25 and 238,757.79 is: 329,393.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,748.20 : 517,007.25 = 238,757.79 : x
  2. Step 2: Convert to fraction form
    374,748.20/517,007.25 = 238,757.79/x
  3. Step 3: Cross multiply
    374,748.20x = 517,007.25 × 238,757.79
  4. Step 4: Simplify right side
    374,748.20x = 123,439,508,423.98
  5. Step 5: Solve for x
    x = 123,439,508,423.98/374,748.20
  6. Step 6: Final answer
    x = 329,393.20

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1.5x scale

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.