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Finding the Fourth Proportional to 453,947.60, 680,921.40 and 229,998.80

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Solution

The fourth proportional to 453,947.60, 680,921.40 and 229,998.80 is: 344,998.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,947.60 : 680,921.40 = 229,998.80 : x
  2. Step 2: Convert to fraction form
    453,947.60/680,921.40 = 229,998.80/x
  3. Step 3: Cross multiply
    453,947.60x = 680,921.40 × 229,998.80
  4. Step 4: Simplify right side
    453,947.60x = 156,611,104,894.32
  5. Step 5: Solve for x
    x = 156,611,104,894.32/453,947.60
  6. Step 6: Final answer
    x = 344,998.20

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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.