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Finding the Fourth Proportional to 168,281.60, 252,422.40 and 49,971.20

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Solution

The fourth proportional to 168,281.60, 252,422.40 and 49,971.20 is: 74,956.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,281.60 : 252,422.40 = 49,971.20 : x
  2. Step 2: Convert to fraction form
    168,281.60/252,422.40 = 49,971.20/x
  3. Step 3: Cross multiply
    168,281.60x = 252,422.40 × 49,971.20
  4. Step 4: Simplify right side
    168,281.60x = 12,613,850,234.88
  5. Step 5: Solve for x
    x = 12,613,850,234.88/168,281.60
  6. Step 6: Final answer
    x = 74,956.80

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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.