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Finding the Fourth Proportional to 275,017.08, 412,525.95 and 75,339.18

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Solution

The fourth proportional to 275,017.08, 412,525.95 and 75,339.18 is: 113,008.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,017.08 : 412,525.95 = 75,339.18 : x
  2. Step 2: Convert to fraction form
    275,017.08/412,525.95 = 75,339.18/x
  3. Step 3: Cross multiply
    275,017.08x = 412,525.95 × 75,339.18
  4. Step 4: Simplify right side
    275,017.08x = 31,079,366,801.72
  5. Step 5: Solve for x
    x = 31,079,366,801.72/275,017.08
  6. Step 6: Final answer
    x = 113,008.86

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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.