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Finding the Fourth Proportional to 363,441.33, 545,224.28 and 123,529.86

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Solution

The fourth proportional to 363,441.33, 545,224.28 and 123,529.86 is: 185,315.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,441.33 : 545,224.28 = 123,529.86 : x
  2. Step 2: Convert to fraction form
    363,441.33/545,224.28 = 123,529.86/x
  3. Step 3: Cross multiply
    363,441.33x = 545,224.28 × 123,529.86
  4. Step 4: Simplify right side
    363,441.33x = 67,351,478,977.00
  5. Step 5: Solve for x
    x = 67,351,478,977.00/363,441.33
  6. Step 6: Final answer
    x = 185,315.96

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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.