Home / 242,629.20-363,857.40-109,573.20

Finding the Fourth Proportional to 242,629.20, 363,857.40 and 109,573.20

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Solution

The fourth proportional to 242,629.20, 363,857.40 and 109,573.20 is: 164,320.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,629.20 : 363,857.40 = 109,573.20 : x
  2. Step 2: Convert to fraction form
    242,629.20/363,857.40 = 109,573.20/x
  3. Step 3: Cross multiply
    242,629.20x = 363,857.40 × 109,573.20
  4. Step 4: Simplify right side
    242,629.20x = 39,869,019,661.68
  5. Step 5: Solve for x
    x = 39,869,019,661.68/242,629.20
  6. Step 6: Final answer
    x = 164,320.78

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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.