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Finding the Fourth Proportional to 324,850.86, 487,328.85 and 100,158.75

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Solution

The fourth proportional to 324,850.86, 487,328.85 and 100,158.75 is: 150,254.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,850.86 : 487,328.85 = 100,158.75 : x
  2. Step 2: Convert to fraction form
    324,850.86/487,328.85 = 100,158.75/x
  3. Step 3: Cross multiply
    324,850.86x = 487,328.85 × 100,158.75
  4. Step 4: Simplify right side
    324,850.86x = 48,810,248,454.94
  5. Step 5: Solve for x
    x = 48,810,248,454.94/324,850.86
  6. Step 6: Final answer
    x = 150,254.33

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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.