Home / 228,906.80-343,360.20-149,190.65

Finding the Fourth Proportional to 228,906.80, 343,360.20 and 149,190.65

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Solution

The fourth proportional to 228,906.80, 343,360.20 and 149,190.65 is: 223,785.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,906.80 : 343,360.20 = 149,190.65 : x
  2. Step 2: Convert to fraction form
    228,906.80/343,360.20 = 149,190.65/x
  3. Step 3: Cross multiply
    228,906.80x = 343,360.20 × 149,190.65
  4. Step 4: Simplify right side
    228,906.80x = 51,226,131,422.13
  5. Step 5: Solve for x
    x = 51,226,131,422.13/228,906.80
  6. Step 6: Final answer
    x = 223,785.98

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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.