Home / 306,689.39-459,997.56-82,067.18

Finding the Fourth Proportional to 306,689.39, 459,997.56 and 82,067.18

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Solution

The fourth proportional to 306,689.39, 459,997.56 and 82,067.18 is: 123,090.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,689.39 : 459,997.56 = 82,067.18 : x
  2. Step 2: Convert to fraction form
    306,689.39/459,997.56 = 82,067.18/x
  3. Step 3: Cross multiply
    306,689.39x = 459,997.56 × 82,067.18
  4. Step 4: Simplify right side
    306,689.39x = 37,750,700,256.09
  5. Step 5: Solve for x
    x = 37,750,700,256.09/306,689.39
  6. Step 6: Final answer
    x = 123,090.99

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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.