Home / 247,867.40-371,824.17-87,927.65

Finding the Fourth Proportional to 247,867.40, 371,824.17 and 87,927.65

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Solution

The fourth proportional to 247,867.40, 371,824.17 and 87,927.65 is: 131,899.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,867.40 : 371,824.17 = 87,927.65 : x
  2. Step 2: Convert to fraction form
    247,867.40/371,824.17 = 87,927.65/x
  3. Step 3: Cross multiply
    247,867.40x = 371,824.17 × 87,927.65
  4. Step 4: Simplify right side
    247,867.40x = 32,693,626,227.14
  5. Step 5: Solve for x
    x = 32,693,626,227.14/247,867.40
  6. Step 6: Final answer
    x = 131,899.66

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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.