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Finding the Fourth Proportional to 324,832.86, 487,301.83 and 100,140.72

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Solution

The fourth proportional to 324,832.86, 487,301.83 and 100,140.72 is: 150,227.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,832.86 : 487,301.83 = 100,140.72 : x
  2. Step 2: Convert to fraction form
    324,832.86/487,301.83 = 100,140.72/x
  3. Step 3: Cross multiply
    324,832.86x = 487,301.83 × 100,140.72
  4. Step 4: Simplify right side
    324,832.86x = 48,798,756,113.52
  5. Step 5: Solve for x
    x = 48,798,756,113.52/324,832.86
  6. Step 6: Final answer
    x = 150,227.28

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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.