Home / 324,823.85-487,288.32-100,131.74

Finding the Fourth Proportional to 324,823.85, 487,288.32 and 100,131.74

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Solution

The fourth proportional to 324,823.85, 487,288.32 and 100,131.74 is: 150,213.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,823.85 : 487,288.32 = 100,131.74 : x
  2. Step 2: Convert to fraction form
    324,823.85/487,288.32 = 100,131.74/x
  3. Step 3: Cross multiply
    324,823.85x = 487,288.32 × 100,131.74
  4. Step 4: Simplify right side
    324,823.85x = 48,793,025,666.01
  5. Step 5: Solve for x
    x = 48,793,025,666.01/324,823.85
  6. Step 6: Final answer
    x = 150,213.80

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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.