Home / 269,231.46-371,540.88-154,500.98

Finding the Fourth Proportional to 269,231.46, 371,540.88 and 154,500.98

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Solution

The fourth proportional to 269,231.46, 371,540.88 and 154,500.98 is: 213,212.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,231.46 : 371,540.88 = 154,500.98 : x
  2. Step 2: Convert to fraction form
    269,231.46/371,540.88 = 154,500.98/x
  3. Step 3: Cross multiply
    269,231.46x = 371,540.88 × 154,500.98
  4. Step 4: Simplify right side
    269,231.46x = 57,403,430,070.06
  5. Step 5: Solve for x
    x = 57,403,430,070.06/269,231.46
  6. Step 6: Final answer
    x = 213,212.19

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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.