Home / 231,467.90-347,229.59-81,677.25

Finding the Fourth Proportional to 231,467.90, 347,229.59 and 81,677.25

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Solution

The fourth proportional to 231,467.90, 347,229.59 and 81,677.25 is: 122,525.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,467.90 : 347,229.59 = 81,677.25 : x
  2. Step 2: Convert to fraction form
    231,467.90/347,229.59 = 81,677.25/x
  3. Step 3: Cross multiply
    231,467.90x = 347,229.59 × 81,677.25
  4. Step 4: Simplify right side
    231,467.90x = 28,360,757,621.44
  5. Step 5: Solve for x
    x = 28,360,757,621.44/231,467.90
  6. Step 6: Final answer
    x = 122,525.66

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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.