Home / 330,719.47-456,357.92-194,744.50

Finding the Fourth Proportional to 330,719.47, 456,357.92 and 194,744.50

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Solution

The fourth proportional to 330,719.47, 456,357.92 and 194,744.50 is: 268,726.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,719.47 : 456,357.92 = 194,744.50 : x
  2. Step 2: Convert to fraction form
    330,719.47/456,357.92 = 194,744.50/x
  3. Step 3: Cross multiply
    330,719.47x = 456,357.92 × 194,744.50
  4. Step 4: Simplify right side
    330,719.47x = 88,873,194,951.44
  5. Step 5: Solve for x
    x = 88,873,194,951.44/330,719.47
  6. Step 6: Final answer
    x = 268,726.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.