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Finding the Fourth Proportional to 332,638.80, 498,909.60 and 95,956.80

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Solution

The fourth proportional to 332,638.80, 498,909.60 and 95,956.80 is: 143,921.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,638.80 : 498,909.60 = 95,956.80 : x
  2. Step 2: Convert to fraction form
    332,638.80/498,909.60 = 95,956.80/x
  3. Step 3: Cross multiply
    332,638.80x = 498,909.60 × 95,956.80
  4. Step 4: Simplify right side
    332,638.80x = 47,873,768,705.28
  5. Step 5: Solve for x
    x = 47,873,768,705.28/332,638.80
  6. Step 6: Final answer
    x = 143,921.18

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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.