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Finding the Fourth Proportional to 240,874.56, 332,448.48 and 138,881.52

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Solution

The fourth proportional to 240,874.56, 332,448.48 and 138,881.52 is: 191,680.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,874.56 : 332,448.48 = 138,881.52 : x
  2. Step 2: Convert to fraction form
    240,874.56/332,448.48 = 138,881.52/x
  3. Step 3: Cross multiply
    240,874.56x = 332,448.48 × 138,881.52
  4. Step 4: Simplify right side
    240,874.56x = 46,170,950,224.09
  5. Step 5: Solve for x
    x = 46,170,950,224.09/240,874.56
  6. Step 6: Final answer
    x = 191,680.48

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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.