Home / 324,818.36-487,311.60-100,173.82

Finding the Fourth Proportional to 324,818.36, 487,311.60 and 100,173.82

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Solution

The fourth proportional to 324,818.36, 487,311.60 and 100,173.82 is: 150,286.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,818.36 : 487,311.60 = 100,173.82 : x
  2. Step 2: Convert to fraction form
    324,818.36/487,311.60 = 100,173.82/x
  3. Step 3: Cross multiply
    324,818.36x = 487,311.60 × 100,173.82
  4. Step 4: Simplify right side
    324,818.36x = 48,815,864,502.31
  5. Step 5: Solve for x
    x = 48,815,864,502.31/324,818.36
  6. Step 6: Final answer
    x = 150,286.65

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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.