Home / 269,308.89-403,973.55-100,811.48

Finding the Fourth Proportional to 269,308.89, 403,973.55 and 100,811.48

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Solution

The fourth proportional to 269,308.89, 403,973.55 and 100,811.48 is: 151,221.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,308.89 : 403,973.55 = 100,811.48 : x
  2. Step 2: Convert to fraction form
    269,308.89/403,973.55 = 100,811.48/x
  3. Step 3: Cross multiply
    269,308.89x = 403,973.55 × 100,811.48
  4. Step 4: Simplify right side
    269,308.89x = 40,725,169,436.49
  5. Step 5: Solve for x
    x = 40,725,169,436.49/269,308.89
  6. Step 6: Final answer
    x = 151,221.04

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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.