Home / 447,253.97-670,947.29-147,766.19

Finding the Fourth Proportional to 447,253.97, 670,947.29 and 147,766.19

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Solution

The fourth proportional to 447,253.97, 670,947.29 and 147,766.19 is: 221,671.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,253.97 : 670,947.29 = 147,766.19 : x
  2. Step 2: Convert to fraction form
    447,253.97/670,947.29 = 147,766.19/x
  3. Step 3: Cross multiply
    447,253.97x = 670,947.29 × 147,766.19
  4. Step 4: Simplify right side
    447,253.97x = 99,143,323,995.29
  5. Step 5: Solve for x
    x = 99,143,323,995.29/447,253.97
  6. Step 6: Final answer
    x = 221,671.20

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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.