Home / 211,864.38-317,796.57-54,087.18

Finding the Fourth Proportional to 211,864.38, 317,796.57 and 54,087.18

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Solution

The fourth proportional to 211,864.38, 317,796.57 and 54,087.18 is: 81,130.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,864.38 : 317,796.57 = 54,087.18 : x
  2. Step 2: Convert to fraction form
    211,864.38/317,796.57 = 54,087.18/x
  3. Step 3: Cross multiply
    211,864.38x = 317,796.57 × 54,087.18
  4. Step 4: Simplify right side
    211,864.38x = 17,188,720,284.97
  5. Step 5: Solve for x
    x = 17,188,720,284.97/211,864.38
  6. Step 6: Final answer
    x = 81,130.77

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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.