Home / 321,848.44-482,764.50-153,487.78

Finding the Fourth Proportional to 321,848.44, 482,764.50 and 153,487.78

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Solution

The fourth proportional to 321,848.44, 482,764.50 and 153,487.78 is: 230,227.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,848.44 : 482,764.50 = 153,487.78 : x
  2. Step 2: Convert to fraction form
    321,848.44/482,764.50 = 153,487.78/x
  3. Step 3: Cross multiply
    321,848.44x = 482,764.50 × 153,487.78
  4. Step 4: Simplify right side
    321,848.44x = 74,098,451,367.81
  5. Step 5: Solve for x
    x = 74,098,451,367.81/321,848.44
  6. Step 6: Final answer
    x = 230,227.78

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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.