Home / 274,727.40-412,091.10-168,439.20

Finding the Fourth Proportional to 274,727.40, 412,091.10 and 168,439.20

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Solution

The fourth proportional to 274,727.40, 412,091.10 and 168,439.20 is: 252,658.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,727.40 : 412,091.10 = 168,439.20 : x
  2. Step 2: Convert to fraction form
    274,727.40/412,091.10 = 168,439.20/x
  3. Step 3: Cross multiply
    274,727.40x = 412,091.10 × 168,439.20
  4. Step 4: Simplify right side
    274,727.40x = 69,412,295,211.12
  5. Step 5: Solve for x
    x = 69,412,295,211.12/274,727.40
  6. Step 6: Final answer
    x = 252,658.80

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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.