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Finding the Fourth Proportional to 332,080.20, 498,120.30 and 132,431.40

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Solution

The fourth proportional to 332,080.20, 498,120.30 and 132,431.40 is: 198,647.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,080.20 : 498,120.30 = 132,431.40 : x
  2. Step 2: Convert to fraction form
    332,080.20/498,120.30 = 132,431.40/x
  3. Step 3: Cross multiply
    332,080.20x = 498,120.30 × 132,431.40
  4. Step 4: Simplify right side
    332,080.20x = 65,966,768,697.42
  5. Step 5: Solve for x
    x = 65,966,768,697.42/332,080.20
  6. Step 6: Final answer
    x = 198,647.10

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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.