Home / 247,929.40-371,946.30-129,568.96

Finding the Fourth Proportional to 247,929.40, 371,946.30 and 129,568.96

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Solution

The fourth proportional to 247,929.40, 371,946.30 and 129,568.96 is: 194,380.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,929.40 : 371,946.30 = 129,568.96 : x
  2. Step 2: Convert to fraction form
    247,929.40/371,946.30 = 129,568.96/x
  3. Step 3: Cross multiply
    247,929.40x = 371,946.30 × 129,568.96
  4. Step 4: Simplify right side
    247,929.40x = 48,192,695,266.85
  5. Step 5: Solve for x
    x = 48,192,695,266.85/247,929.40
  6. Step 6: Final answer
    x = 194,380.72

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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.