Home / 379,039.04-568,755.84-154,565.12

Finding the Fourth Proportional to 379,039.04, 568,755.84 and 154,565.12

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Solution

The fourth proportional to 379,039.04, 568,755.84 and 154,565.12 is: 231,928.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,039.04 : 568,755.84 = 154,565.12 : x
  2. Step 2: Convert to fraction form
    379,039.04/568,755.84 = 154,565.12/x
  3. Step 3: Cross multiply
    379,039.04x = 568,755.84 × 154,565.12
  4. Step 4: Simplify right side
    379,039.04x = 87,909,814,660.30
  5. Step 5: Solve for x
    x = 87,909,814,660.30/379,039.04
  6. Step 6: Final answer
    x = 231,928.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.