Home / 279,381.32-385,545.12-152,057.96

Finding the Fourth Proportional to 279,381.32, 385,545.12 and 152,057.96

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Solution

The fourth proportional to 279,381.32, 385,545.12 and 152,057.96 is: 209,839.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,381.32 : 385,545.12 = 152,057.96 : x
  2. Step 2: Convert to fraction form
    279,381.32/385,545.12 = 152,057.96/x
  3. Step 3: Cross multiply
    279,381.32x = 385,545.12 × 152,057.96
  4. Step 4: Simplify right side
    279,381.32x = 58,625,204,435.16
  5. Step 5: Solve for x
    x = 58,625,204,435.16/279,381.32
  6. Step 6: Final answer
    x = 209,839.39

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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.