Home / 393,002.10-589,627.70-140,277

Finding the Fourth Proportional to 393,002.10, 589,627.70 and 140,277

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Solution

The fourth proportional to 393,002.10, 589,627.70 and 140,277 is: 210,459.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,002.10 : 589,627.70 = 140,277 : x
  2. Step 2: Convert to fraction form
    393,002.10/589,627.70 = 140,277/x
  3. Step 3: Cross multiply
    393,002.10x = 589,627.70 × 140,277
  4. Step 4: Simplify right side
    393,002.10x = 82,711,204,872.90
  5. Step 5: Solve for x
    x = 82,711,204,872.90/393,002.10
  6. Step 6: Final answer
    x = 210,459.96

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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.