Home / 324,877.61-487,138.03-100,175.66

Finding the Fourth Proportional to 324,877.61, 487,138.03 and 100,175.66

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Solution

The fourth proportional to 324,877.61, 487,138.03 and 100,175.66 is: 150,208.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,877.61 : 487,138.03 = 100,175.66 : x
  2. Step 2: Convert to fraction form
    324,877.61/487,138.03 = 100,175.66/x
  3. Step 3: Cross multiply
    324,877.61x = 487,138.03 × 100,175.66
  4. Step 4: Simplify right side
    324,877.61x = 48,799,372,198.07
  5. Step 5: Solve for x
    x = 48,799,372,198.07/324,877.61
  6. Step 6: Final answer
    x = 150,208.48

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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.