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Finding the Fourth Proportional to 350,996.76, 526,560.76 and 140,651.10

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Solution

The fourth proportional to 350,996.76, 526,560.76 and 140,651.10 is: 211,002.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,996.76 : 526,560.76 = 140,651.10 : x
  2. Step 2: Convert to fraction form
    350,996.76/526,560.76 = 140,651.10/x
  3. Step 3: Cross multiply
    350,996.76x = 526,560.76 × 140,651.10
  4. Step 4: Simplify right side
    350,996.76x = 74,061,350,110.84
  5. Step 5: Solve for x
    x = 74,061,350,110.84/350,996.76
  6. Step 6: Final answer
    x = 211,002.95

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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.