Home / 211,306.34-316,996.43-92,974.61

Finding the Fourth Proportional to 211,306.34, 316,996.43 and 92,974.61

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Solution

The fourth proportional to 211,306.34, 316,996.43 and 92,974.61 is: 139,478.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,306.34 : 316,996.43 = 92,974.61 : x
  2. Step 2: Convert to fraction form
    211,306.34/316,996.43 = 92,974.61/x
  3. Step 3: Cross multiply
    211,306.34x = 316,996.43 × 92,974.61
  4. Step 4: Simplify right side
    211,306.34x = 29,472,619,778.26
  5. Step 5: Solve for x
    x = 29,472,619,778.26/211,306.34
  6. Step 6: Final answer
    x = 139,478.16

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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.