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Finding the Fourth Proportional to 297,188.58, 445,781.30 and 72,550.20

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Solution

The fourth proportional to 297,188.58, 445,781.30 and 72,550.20 is: 108,824.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,188.58 : 445,781.30 = 72,550.20 : x
  2. Step 2: Convert to fraction form
    297,188.58/445,781.30 = 72,550.20/x
  3. Step 3: Cross multiply
    297,188.58x = 445,781.30 × 72,550.20
  4. Step 4: Simplify right side
    297,188.58x = 32,341,522,471.26
  5. Step 5: Solve for x
    x = 32,341,522,471.26/297,188.58
  6. Step 6: Final answer
    x = 108,824.92

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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.