Home / 279,381.43-385,546.38-152,057.95

Finding the Fourth Proportional to 279,381.43, 385,546.38 and 152,057.95

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Solution

The fourth proportional to 279,381.43, 385,546.38 and 152,057.95 is: 209,839.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,381.43 : 385,546.38 = 152,057.95 : x
  2. Step 2: Convert to fraction form
    279,381.43/385,546.38 = 152,057.95/x
  3. Step 3: Cross multiply
    279,381.43x = 385,546.38 × 152,057.95
  4. Step 4: Simplify right side
    279,381.43x = 58,625,392,172.72
  5. Step 5: Solve for x
    x = 58,625,392,172.72/279,381.43
  6. Step 6: Final answer
    x = 209,839.97

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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.