Home / 274,778.28-412,308-130,847.04

Finding the Fourth Proportional to 274,778.28, 412,308 and 130,847.04

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Solution

The fourth proportional to 274,778.28, 412,308 and 130,847.04 is: 196,337.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,778.28 : 412,308 = 130,847.04 : x
  2. Step 2: Convert to fraction form
    274,778.28/412,308 = 130,847.04/x
  3. Step 3: Cross multiply
    274,778.28x = 412,308 × 130,847.04
  4. Step 4: Simplify right side
    274,778.28x = 53,949,281,368.32
  5. Step 5: Solve for x
    x = 53,949,281,368.32/274,778.28
  6. Step 6: Final answer
    x = 196,337.50

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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.