Home / 955,137.14-1,432,715.69-281,231.20

Finding the Fourth Proportional to 955,137.14, 1,432,715.69 and 281,231.20

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Solution

The fourth proportional to 955,137.14, 1,432,715.69 and 281,231.20 is: 421,849.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,137.14 : 1,432,715.69 = 281,231.20 : x
  2. Step 2: Convert to fraction form
    955,137.14/1,432,715.69 = 281,231.20/x
  3. Step 3: Cross multiply
    955,137.14x = 1,432,715.69 × 281,231.20
  4. Step 4: Simplify right side
    955,137.14x = 402,924,345,593.95
  5. Step 5: Solve for x
    x = 402,924,345,593.95/955,137.14
  6. Step 6: Final answer
    x = 421,849.73

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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.