Home / 279,426.29-385,608.33-152,101.88

Finding the Fourth Proportional to 279,426.29, 385,608.33 and 152,101.88

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Solution

The fourth proportional to 279,426.29, 385,608.33 and 152,101.88 is: 209,900.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,426.29 : 385,608.33 = 152,101.88 : x
  2. Step 2: Convert to fraction form
    279,426.29/385,608.33 = 152,101.88/x
  3. Step 3: Cross multiply
    279,426.29x = 385,608.33 × 152,101.88
  4. Step 4: Simplify right side
    279,426.29x = 58,651,750,008.62
  5. Step 5: Solve for x
    x = 58,651,750,008.62/279,426.29
  6. Step 6: Final answer
    x = 209,900.61

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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.