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Finding the Fourth Proportional to 64,204.60, 96,306.90 and 16,819.60

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Solution

The fourth proportional to 64,204.60, 96,306.90 and 16,819.60 is: 25,229.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,204.60 : 96,306.90 = 16,819.60 : x
  2. Step 2: Convert to fraction form
    64,204.60/96,306.90 = 16,819.60/x
  3. Step 3: Cross multiply
    64,204.60x = 96,306.90 × 16,819.60
  4. Step 4: Simplify right side
    64,204.60x = 1,619,843,535.24
  5. Step 5: Solve for x
    x = 1,619,843,535.24/64,204.60
  6. Step 6: Final answer
    x = 25,229.40

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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.