Home / 445,184.28-667,330.92-220,708.98

Finding the Fourth Proportional to 445,184.28, 667,330.92 and 220,708.98

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Solution

The fourth proportional to 445,184.28, 667,330.92 and 220,708.98 is: 330,842.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,184.28 : 667,330.92 = 220,708.98 : x
  2. Step 2: Convert to fraction form
    445,184.28/667,330.92 = 220,708.98/x
  3. Step 3: Cross multiply
    445,184.28x = 667,330.92 × 220,708.98
  4. Step 4: Simplify right side
    445,184.28x = 147,285,926,675.66
  5. Step 5: Solve for x
    x = 147,285,926,675.66/445,184.28
  6. Step 6: Final answer
    x = 330,842.60

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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.