Home / 254,715.60-381,553.20-121,192.32

Finding the Fourth Proportional to 254,715.60, 381,553.20 and 121,192.32

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Solution

The fourth proportional to 254,715.60, 381,553.20 and 121,192.32 is: 181,540.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,715.60 : 381,553.20 = 121,192.32 : x
  2. Step 2: Convert to fraction form
    254,715.60/381,553.20 = 121,192.32/x
  3. Step 3: Cross multiply
    254,715.60x = 381,553.20 × 121,192.32
  4. Step 4: Simplify right side
    254,715.60x = 46,241,317,511.42
  5. Step 5: Solve for x
    x = 46,241,317,511.42/254,715.60
  6. Step 6: Final answer
    x = 181,540.97

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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.