Home / 379,125.32-568,529.87-154,333.17

Finding the Fourth Proportional to 379,125.32, 568,529.87 and 154,333.17

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Solution

The fourth proportional to 379,125.32, 568,529.87 and 154,333.17 is: 231,435.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,125.32 : 568,529.87 = 154,333.17 : x
  2. Step 2: Convert to fraction form
    379,125.32/568,529.87 = 154,333.17/x
  3. Step 3: Cross multiply
    379,125.32x = 568,529.87 × 154,333.17
  4. Step 4: Simplify right side
    379,125.32x = 87,743,016,305.12
  5. Step 5: Solve for x
    x = 87,743,016,305.12/379,125.32
  6. Step 6: Final answer
    x = 231,435.39

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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.