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Finding the Fourth Proportional to 275,078.71, 412,573.81 and 75,352.42

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Solution

The fourth proportional to 275,078.71, 412,573.81 and 75,352.42 is: 113,016.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,078.71 : 412,573.81 = 75,352.42 : x
  2. Step 2: Convert to fraction form
    275,078.71/412,573.81 = 75,352.42/x
  3. Step 3: Cross multiply
    275,078.71x = 412,573.81 × 75,352.42
  4. Step 4: Simplify right side
    275,078.71x = 31,088,435,012.12
  5. Step 5: Solve for x
    x = 31,088,435,012.12/275,078.71
  6. Step 6: Final answer
    x = 113,016.51

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1.5x scale

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.