Home / 955,105.38-1,432,164.98-281,099.12

Finding the Fourth Proportional to 955,105.38, 1,432,164.98 and 281,099.12

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Solution

The fourth proportional to 955,105.38, 1,432,164.98 and 281,099.12 is: 421,503.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,105.38 : 1,432,164.98 = 281,099.12 : x
  2. Step 2: Convert to fraction form
    955,105.38/1,432,164.98 = 281,099.12/x
  3. Step 3: Cross multiply
    955,105.38x = 1,432,164.98 × 281,099.12
  4. Step 4: Simplify right side
    955,105.38x = 402,580,309,114.74
  5. Step 5: Solve for x
    x = 402,580,309,114.74/955,105.38
  6. Step 6: Final answer
    x = 421,503.55

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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.