Home / 272,932.85-409,342.82-73,205.72

Finding the Fourth Proportional to 272,932.85, 409,342.82 and 73,205.72

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Solution

The fourth proportional to 272,932.85, 409,342.82 and 73,205.72 is: 109,793.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,932.85 : 409,342.82 = 73,205.72 : x
  2. Step 2: Convert to fraction form
    272,932.85/409,342.82 = 73,205.72/x
  3. Step 3: Cross multiply
    272,932.85x = 409,342.82 × 73,205.72
  4. Step 4: Simplify right side
    272,932.85x = 29,966,234,987.22
  5. Step 5: Solve for x
    x = 29,966,234,987.22/272,932.85
  6. Step 6: Final answer
    x = 109,793.43

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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.