Home / 269,302.89-403,964.55-100,805.49

Finding the Fourth Proportional to 269,302.89, 403,964.55 and 100,805.49

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Solution

The fourth proportional to 269,302.89, 403,964.55 and 100,805.49 is: 151,212.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,302.89 : 403,964.55 = 100,805.49 : x
  2. Step 2: Convert to fraction form
    269,302.89/403,964.55 = 100,805.49/x
  3. Step 3: Cross multiply
    269,302.89x = 403,964.55 × 100,805.49
  4. Step 4: Simplify right side
    269,302.89x = 40,721,844,405.38
  5. Step 5: Solve for x
    x = 40,721,844,405.38/269,302.89
  6. Step 6: Final answer
    x = 151,212.06

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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.