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Finding the Fourth Proportional to 297,273.64, 445,917.30 and 72,635.92

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Solution

The fourth proportional to 297,273.64, 445,917.30 and 72,635.92 is: 108,955.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,273.64 : 445,917.30 = 72,635.92 : x
  2. Step 2: Convert to fraction form
    297,273.64/445,917.30 = 72,635.92/x
  3. Step 3: Cross multiply
    297,273.64x = 445,917.30 × 72,635.92
  4. Step 4: Simplify right side
    297,273.64x = 32,389,613,329.42
  5. Step 5: Solve for x
    x = 32,389,613,329.42/297,273.64
  6. Step 6: Final answer
    x = 108,955.55

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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.