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Finding the Fourth Proportional to 275,370.12, 413,044.77 and 75,685.32

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Solution

The fourth proportional to 275,370.12, 413,044.77 and 75,685.32 is: 113,525.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,370.12 : 413,044.77 = 75,685.32 : x
  2. Step 2: Convert to fraction form
    275,370.12/413,044.77 = 75,685.32/x
  3. Step 3: Cross multiply
    275,370.12x = 413,044.77 × 75,685.32
  4. Step 4: Simplify right side
    275,370.12x = 31,261,425,591.78
  5. Step 5: Solve for x
    x = 31,261,425,591.78/275,370.12
  6. Step 6: Final answer
    x = 113,525.12

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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.