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Finding the Fourth Proportional to 270,390.66, 405,585.49 and 101,948.78

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Solution

The fourth proportional to 270,390.66, 405,585.49 and 101,948.78 is: 152,922.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,390.66 : 405,585.49 = 101,948.78 : x
  2. Step 2: Convert to fraction form
    270,390.66/405,585.49 = 101,948.78/x
  3. Step 3: Cross multiply
    270,390.66x = 405,585.49 × 101,948.78
  4. Step 4: Simplify right side
    270,390.66x = 41,348,944,273.30
  5. Step 5: Solve for x
    x = 41,348,944,273.30/270,390.66
  6. Step 6: Final answer
    x = 152,922.97

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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.