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Finding the Fourth Proportional to 226,857.25, 313,063.01 and 126,279.01

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Solution

The fourth proportional to 226,857.25, 313,063.01 and 126,279.01 is: 174,265.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,857.25 : 313,063.01 = 126,279.01 : x
  2. Step 2: Convert to fraction form
    226,857.25/313,063.01 = 126,279.01/x
  3. Step 3: Cross multiply
    226,857.25x = 313,063.01 × 126,279.01
  4. Step 4: Simplify right side
    226,857.25x = 39,533,286,970.42
  5. Step 5: Solve for x
    x = 39,533,286,970.42/226,857.25
  6. Step 6: Final answer
    x = 174,265.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.