Home / 211,446.73-317,091.03-85,044.34

Finding the Fourth Proportional to 211,446.73, 317,091.03 and 85,044.34

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Solution

The fourth proportional to 211,446.73, 317,091.03 and 85,044.34 is: 127,534.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,446.73 : 317,091.03 = 85,044.34 : x
  2. Step 2: Convert to fraction form
    211,446.73/317,091.03 = 85,044.34/x
  3. Step 3: Cross multiply
    211,446.73x = 317,091.03 × 85,044.34
  4. Step 4: Simplify right side
    211,446.73x = 26,966,797,366.27
  5. Step 5: Solve for x
    x = 26,966,797,366.27/211,446.73
  6. Step 6: Final answer
    x = 127,534.71

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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.