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Finding the Fourth Proportional to 265,134.60, 365,889.60 and 144,279.36

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Solution

The fourth proportional to 265,134.60, 365,889.60 and 144,279.36 is: 199,107.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,134.60 : 365,889.60 = 144,279.36 : x
  2. Step 2: Convert to fraction form
    265,134.60/365,889.60 = 144,279.36/x
  3. Step 3: Cross multiply
    265,134.60x = 365,889.60 × 144,279.36
  4. Step 4: Simplify right side
    265,134.60x = 52,790,317,318.66
  5. Step 5: Solve for x
    x = 52,790,317,318.66/265,134.60
  6. Step 6: Final answer
    x = 199,107.61

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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.