Home / 247,091.18-371,046.69-154,187.42

Finding the Fourth Proportional to 247,091.18, 371,046.69 and 154,187.42

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Solution

The fourth proportional to 247,091.18, 371,046.69 and 154,187.42 is: 231,536.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,091.18 : 371,046.69 = 154,187.42 : x
  2. Step 2: Convert to fraction form
    247,091.18/371,046.69 = 154,187.42/x
  3. Step 3: Cross multiply
    247,091.18x = 371,046.69 × 154,187.42
  4. Step 4: Simplify right side
    247,091.18x = 57,210,729,975.41
  5. Step 5: Solve for x
    x = 57,210,729,975.41/247,091.18
  6. Step 6: Final answer
    x = 231,536.92

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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.