Home / 275,947.20-413,596.80-272,992.32

Finding the Fourth Proportional to 275,947.20, 413,596.80 and 272,992.32

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Solution

The fourth proportional to 275,947.20, 413,596.80 and 272,992.32 is: 409,167.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,947.20 : 413,596.80 = 272,992.32 : x
  2. Step 2: Convert to fraction form
    275,947.20/413,596.80 = 272,992.32/x
  3. Step 3: Cross multiply
    275,947.20x = 413,596.80 × 272,992.32
  4. Step 4: Simplify right side
    275,947.20x = 112,908,749,976.58
  5. Step 5: Solve for x
    x = 112,908,749,976.58/275,947.20
  6. Step 6: Final answer
    x = 409,167.95

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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.