Home / 646,282.11-969,422.40-172,955.15

Finding the Fourth Proportional to 646,282.11, 969,422.40 and 172,955.15

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Solution

The fourth proportional to 646,282.11, 969,422.40 and 172,955.15 is: 259,432.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,282.11 : 969,422.40 = 172,955.15 : x
  2. Step 2: Convert to fraction form
    646,282.11/969,422.40 = 172,955.15/x
  3. Step 3: Cross multiply
    646,282.11x = 969,422.40 × 172,955.15
  4. Step 4: Simplify right side
    646,282.11x = 167,666,591,758.25
  5. Step 5: Solve for x
    x = 167,666,591,758.25/646,282.11
  6. Step 6: Final answer
    x = 259,432.51

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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.