Home / 646,247.28-969,357.06-172,932.60

Finding the Fourth Proportional to 646,247.28, 969,357.06 and 172,932.60

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Solution

The fourth proportional to 646,247.28, 969,357.06 and 172,932.60 is: 259,395.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,247.28 : 969,357.06 = 172,932.60 : x
  2. Step 2: Convert to fraction form
    646,247.28/969,357.06 = 172,932.60/x
  3. Step 3: Cross multiply
    646,247.28x = 969,357.06 × 172,932.60
  4. Step 4: Simplify right side
    646,247.28x = 167,633,436,714.16
  5. Step 5: Solve for x
    x = 167,633,436,714.16/646,247.28
  6. Step 6: Final answer
    x = 259,395.19

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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.