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Finding the Fourth Proportional to 297,729.60, 446,587.20 and 179,311.20

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Solution

The fourth proportional to 297,729.60, 446,587.20 and 179,311.20 is: 268,962.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,729.60 : 446,587.20 = 179,311.20 : x
  2. Step 2: Convert to fraction form
    297,729.60/446,587.20 = 179,311.20/x
  3. Step 3: Cross multiply
    297,729.60x = 446,587.20 × 179,311.20
  4. Step 4: Simplify right side
    297,729.60x = 80,078,086,736.64
  5. Step 5: Solve for x
    x = 80,078,086,736.64/297,729.60
  6. Step 6: Final answer
    x = 268,962.46

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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.