Home / 379,921.40-569,882.10-158,276.60

Finding the Fourth Proportional to 379,921.40, 569,882.10 and 158,276.60

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Solution

The fourth proportional to 379,921.40, 569,882.10 and 158,276.60 is: 237,414.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,921.40 : 569,882.10 = 158,276.60 : x
  2. Step 2: Convert to fraction form
    379,921.40/569,882.10 = 158,276.60/x
  3. Step 3: Cross multiply
    379,921.40x = 569,882.10 × 158,276.60
  4. Step 4: Simplify right side
    379,921.40x = 90,199,001,188.86
  5. Step 5: Solve for x
    x = 90,199,001,188.86/379,921.40
  6. Step 6: Final answer
    x = 237,414.90

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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.