Home / 252,895.28-379,555.74-126,497.61

Finding the Fourth Proportional to 252,895.28, 379,555.74 and 126,497.61

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Solution

The fourth proportional to 252,895.28, 379,555.74 and 126,497.61 is: 189,852.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,895.28 : 379,555.74 = 126,497.61 : x
  2. Step 2: Convert to fraction form
    252,895.28/379,555.74 = 126,497.61/x
  3. Step 3: Cross multiply
    252,895.28x = 379,555.74 × 126,497.61
  4. Step 4: Simplify right side
    252,895.28x = 48,012,893,971.78
  5. Step 5: Solve for x
    x = 48,012,893,971.78/252,895.28
  6. Step 6: Final answer
    x = 189,852.87

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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.