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Finding the Fourth Proportional to 230,520.60, 345,780.36 and 64,308.60

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Solution

The fourth proportional to 230,520.60, 345,780.36 and 64,308.60 is: 96,462.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,520.60 : 345,780.36 = 64,308.60 : x
  2. Step 2: Convert to fraction form
    230,520.60/345,780.36 = 64,308.60/x
  3. Step 3: Cross multiply
    230,520.60x = 345,780.36 × 64,308.60
  4. Step 4: Simplify right side
    230,520.60x = 22,236,650,859.10
  5. Step 5: Solve for x
    x = 22,236,650,859.10/230,520.60
  6. Step 6: Final answer
    x = 96,462.75

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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.