Home / 324,826.85-487,292.82-100,134.74

Finding the Fourth Proportional to 324,826.85, 487,292.82 and 100,134.74

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Solution

The fourth proportional to 324,826.85, 487,292.82 and 100,134.74 is: 150,218.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,826.85 : 487,292.82 = 100,134.74 : x
  2. Step 2: Convert to fraction form
    324,826.85/487,292.82 = 100,134.74/x
  3. Step 3: Cross multiply
    324,826.85x = 487,292.82 × 100,134.74
  4. Step 4: Simplify right side
    324,826.85x = 48,794,937,398.10
  5. Step 5: Solve for x
    x = 48,794,937,398.10/324,826.85
  6. Step 6: Final answer
    x = 150,218.30

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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.