Home / 367,561.14-551,082.48-142,734.30

Finding the Fourth Proportional to 367,561.14, 551,082.48 and 142,734.30

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Solution

The fourth proportional to 367,561.14, 551,082.48 and 142,734.30 is: 214,000.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,561.14 : 551,082.48 = 142,734.30 : x
  2. Step 2: Convert to fraction form
    367,561.14/551,082.48 = 142,734.30/x
  3. Step 3: Cross multiply
    367,561.14x = 551,082.48 × 142,734.30
  4. Step 4: Simplify right side
    367,561.14x = 78,658,372,025.06
  5. Step 5: Solve for x
    x = 78,658,372,025.06/367,561.14
  6. Step 6: Final answer
    x = 214,000.78

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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.