Home / 230,234.90-345,335.50-72,508.46

Finding the Fourth Proportional to 230,234.90, 345,335.50 and 72,508.46

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Solution

The fourth proportional to 230,234.90, 345,335.50 and 72,508.46 is: 108,757.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,234.90 : 345,335.50 = 72,508.46 : x
  2. Step 2: Convert to fraction form
    230,234.90/345,335.50 = 72,508.46/x
  3. Step 3: Cross multiply
    230,234.90x = 345,335.50 × 72,508.46
  4. Step 4: Simplify right side
    230,234.90x = 25,039,745,970.40
  5. Step 5: Solve for x
    x = 25,039,745,970.40/230,234.90
  6. Step 6: Final answer
    x = 108,757.39

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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.