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Finding the Fourth Proportional to 247,264.88, 370,966.44 and 81,169.52

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Solution

The fourth proportional to 247,264.88, 370,966.44 and 81,169.52 is: 121,776.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,264.88 : 370,966.44 = 81,169.52 : x
  2. Step 2: Convert to fraction form
    247,264.88/370,966.44 = 81,169.52/x
  3. Step 3: Cross multiply
    247,264.88x = 370,966.44 × 81,169.52
  4. Step 4: Simplify right side
    247,264.88x = 30,111,167,870.91
  5. Step 5: Solve for x
    x = 30,111,167,870.91/247,264.88
  6. Step 6: Final answer
    x = 121,776.97

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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.