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Finding the Fourth Proportional to 269,854.96, 372,405.65 and 149,003.89

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Solution

The fourth proportional to 269,854.96, 372,405.65 and 149,003.89 is: 205,628.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,854.96 : 372,405.65 = 149,003.89 : x
  2. Step 2: Convert to fraction form
    269,854.96/372,405.65 = 149,003.89/x
  3. Step 3: Cross multiply
    269,854.96x = 372,405.65 × 149,003.89
  4. Step 4: Simplify right side
    269,854.96x = 55,489,890,507.98
  5. Step 5: Solve for x
    x = 55,489,890,507.98/269,854.96
  6. Step 6: Final answer
    x = 205,628.57

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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.