Home / 211,204.13-316,806.59-51,279.38

Finding the Fourth Proportional to 211,204.13, 316,806.59 and 51,279.38

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Solution

The fourth proportional to 211,204.13, 316,806.59 and 51,279.38 is: 76,919.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,204.13 : 316,806.59 = 51,279.38 : x
  2. Step 2: Convert to fraction form
    211,204.13/316,806.59 = 51,279.38/x
  3. Step 3: Cross multiply
    211,204.13x = 316,806.59 × 51,279.38
  4. Step 4: Simplify right side
    211,204.13x = 16,245,645,247.30
  5. Step 5: Solve for x
    x = 16,245,645,247.30/211,204.13
  6. Step 6: Final answer
    x = 76,919.17

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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.