Home / 242,845.60-364,279.20-82,919.20

Finding the Fourth Proportional to 242,845.60, 364,279.20 and 82,919.20

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Solution

The fourth proportional to 242,845.60, 364,279.20 and 82,919.20 is: 124,382.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,845.60 : 364,279.20 = 82,919.20 : x
  2. Step 2: Convert to fraction form
    242,845.60/364,279.20 = 82,919.20/x
  3. Step 3: Cross multiply
    242,845.60x = 364,279.20 × 82,919.20
  4. Step 4: Simplify right side
    242,845.60x = 30,205,739,840.64
  5. Step 5: Solve for x
    x = 30,205,739,840.64/242,845.60
  6. Step 6: Final answer
    x = 124,382.49

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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.