Home / 269,312.89-403,979.55-100,815.49

Finding the Fourth Proportional to 269,312.89, 403,979.55 and 100,815.49

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Solution

The fourth proportional to 269,312.89, 403,979.55 and 100,815.49 is: 151,227.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,312.89 : 403,979.55 = 100,815.49 : x
  2. Step 2: Convert to fraction form
    269,312.89/403,979.55 = 100,815.49/x
  3. Step 3: Cross multiply
    269,312.89x = 403,979.55 × 100,815.49
  4. Step 4: Simplify right side
    269,312.89x = 40,727,396,283.23
  5. Step 5: Solve for x
    x = 40,727,396,283.23/269,312.89
  6. Step 6: Final answer
    x = 151,227.06

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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.