Home / 269,845.13-372,419.09-156,667.88

Finding the Fourth Proportional to 269,845.13, 372,419.09 and 156,667.88

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Solution

The fourth proportional to 269,845.13, 372,419.09 and 156,667.88 is: 216,220.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,845.13 : 372,419.09 = 156,667.88 : x
  2. Step 2: Convert to fraction form
    269,845.13/372,419.09 = 156,667.88/x
  3. Step 3: Cross multiply
    269,845.13x = 372,419.09 × 156,667.88
  4. Step 4: Simplify right side
    269,845.13x = 58,346,106,656.39
  5. Step 5: Solve for x
    x = 58,346,106,656.39/269,845.13
  6. Step 6: Final answer
    x = 216,220.72

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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.