Home / 206,219.20-284,719.60-158,387.04

Finding the Fourth Proportional to 206,219.20, 284,719.60 and 158,387.04

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Solution

The fourth proportional to 206,219.20, 284,719.60 and 158,387.04 is: 218,679.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,219.20 : 284,719.60 = 158,387.04 : x
  2. Step 2: Convert to fraction form
    206,219.20/284,719.60 = 158,387.04/x
  3. Step 3: Cross multiply
    206,219.20x = 284,719.60 × 158,387.04
  4. Step 4: Simplify right side
    206,219.20x = 45,095,894,673.98
  5. Step 5: Solve for x
    x = 45,095,894,673.98/206,219.20
  6. Step 6: Final answer
    x = 218,679.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.