Home / 232,012.20-347,327.10-138,469.80

Finding the Fourth Proportional to 232,012.20, 347,327.10 and 138,469.80

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Solution

The fourth proportional to 232,012.20, 347,327.10 and 138,469.80 is: 207,292.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,012.20 : 347,327.10 = 138,469.80 : x
  2. Step 2: Convert to fraction form
    232,012.20/347,327.10 = 138,469.80/x
  3. Step 3: Cross multiply
    232,012.20x = 347,327.10 × 138,469.80
  4. Step 4: Simplify right side
    232,012.20x = 48,094,314,071.58
  5. Step 5: Solve for x
    x = 48,094,314,071.58/232,012.20
  6. Step 6: Final answer
    x = 207,292.18

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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.