Home / 275,284.25-412,847.04-75,611.15

Finding the Fourth Proportional to 275,284.25, 412,847.04 and 75,611.15

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Solution

The fourth proportional to 275,284.25, 412,847.04 and 75,611.15 is: 113,394.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,284.25 : 412,847.04 = 75,611.15 : x
  2. Step 2: Convert to fraction form
    275,284.25/412,847.04 = 75,611.15/x
  3. Step 3: Cross multiply
    275,284.25x = 412,847.04 × 75,611.15
  4. Step 4: Simplify right side
    275,284.25x = 31,215,839,468.50
  5. Step 5: Solve for x
    x = 31,215,839,468.50/275,284.25
  6. Step 6: Final answer
    x = 113,394.93

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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.