Home / 262,530.64-394,006.20-136,207.12

Finding the Fourth Proportional to 262,530.64, 394,006.20 and 136,207.12

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Solution

The fourth proportional to 262,530.64, 394,006.20 and 136,207.12 is: 204,419.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,530.64 : 394,006.20 = 136,207.12 : x
  2. Step 2: Convert to fraction form
    262,530.64/394,006.20 = 136,207.12/x
  3. Step 3: Cross multiply
    262,530.64x = 394,006.20 × 136,207.12
  4. Step 4: Simplify right side
    262,530.64x = 53,666,449,764.14
  5. Step 5: Solve for x
    x = 53,666,449,764.14/262,530.64
  6. Step 6: Final answer
    x = 204,419.76

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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.