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Finding the Fourth Proportional to 265,610.75, 366,500.90 and 149,301.27

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Solution

The fourth proportional to 265,610.75, 366,500.90 and 149,301.27 is: 206,012.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,610.75 : 366,500.90 = 149,301.27 : x
  2. Step 2: Convert to fraction form
    265,610.75/366,500.90 = 149,301.27/x
  3. Step 3: Cross multiply
    265,610.75x = 366,500.90 × 149,301.27
  4. Step 4: Simplify right side
    265,610.75x = 54,719,050,199.40
  5. Step 5: Solve for x
    x = 54,719,050,199.40/265,610.75
  6. Step 6: Final answer
    x = 206,012.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.