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Finding the Fourth Proportional to 298,466.80, 447,700.20 and 88,104.40

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Solution

The fourth proportional to 298,466.80, 447,700.20 and 88,104.40 is: 132,156.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,466.80 : 447,700.20 = 88,104.40 : x
  2. Step 2: Convert to fraction form
    298,466.80/447,700.20 = 88,104.40/x
  3. Step 3: Cross multiply
    298,466.80x = 447,700.20 × 88,104.40
  4. Step 4: Simplify right side
    298,466.80x = 39,444,357,500.88
  5. Step 5: Solve for x
    x = 39,444,357,500.88/298,466.80
  6. Step 6: Final answer
    x = 132,156.60

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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.