Home / 211,506.27-317,261.02-71,262.87

Finding the Fourth Proportional to 211,506.27, 317,261.02 and 71,262.87

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Solution

The fourth proportional to 211,506.27, 317,261.02 and 71,262.87 is: 106,894.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,506.27 : 317,261.02 = 71,262.87 : x
  2. Step 2: Convert to fraction form
    211,506.27/317,261.02 = 71,262.87/x
  3. Step 3: Cross multiply
    211,506.27x = 317,261.02 × 71,262.87
  4. Step 4: Simplify right side
    211,506.27x = 22,608,930,824.33
  5. Step 5: Solve for x
    x = 22,608,930,824.33/211,506.27
  6. Step 6: Final answer
    x = 106,894.85

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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.