Home / 275,548.10-412,928.55-156,968.90

Finding the Fourth Proportional to 275,548.10, 412,928.55 and 156,968.90

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Solution

The fourth proportional to 275,548.10, 412,928.55 and 156,968.90 is: 235,229.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,548.10 : 412,928.55 = 156,968.90 : x
  2. Step 2: Convert to fraction form
    275,548.10/412,928.55 = 156,968.90/x
  3. Step 3: Cross multiply
    275,548.10x = 412,928.55 × 156,968.90
  4. Step 4: Simplify right side
    275,548.10x = 64,816,940,272.10
  5. Step 5: Solve for x
    x = 64,816,940,272.10/275,548.10
  6. Step 6: Final answer
    x = 235,229.13

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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.