Home / 644,132.82-966,234.42-194,842.74

Finding the Fourth Proportional to 644,132.82, 966,234.42 and 194,842.74

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Solution

The fourth proportional to 644,132.82, 966,234.42 and 194,842.74 is: 292,274.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,132.82 : 966,234.42 = 194,842.74 : x
  2. Step 2: Convert to fraction form
    644,132.82/966,234.42 = 194,842.74/x
  3. Step 3: Cross multiply
    644,132.82x = 966,234.42 × 194,842.74
  4. Step 4: Simplify right side
    644,132.82x = 188,263,761,875.11
  5. Step 5: Solve for x
    x = 188,263,761,875.11/644,132.82
  6. Step 6: Final answer
    x = 292,274.75

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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.