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Finding the Fourth Proportional to 558,735.20, 838,102.80 and 204,003.80

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Solution

The fourth proportional to 558,735.20, 838,102.80 and 204,003.80 is: 306,005.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,735.20 : 838,102.80 = 204,003.80 : x
  2. Step 2: Convert to fraction form
    558,735.20/838,102.80 = 204,003.80/x
  3. Step 3: Cross multiply
    558,735.20x = 838,102.80 × 204,003.80
  4. Step 4: Simplify right side
    558,735.20x = 170,976,155,990.64
  5. Step 5: Solve for x
    x = 170,976,155,990.64/558,735.20
  6. Step 6: Final answer
    x = 306,005.70

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Similar ratio
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1.5x scale

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.