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Finding the Fourth Proportional to 226,377.62, 312,379.62 and 135,716.74

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Solution

The fourth proportional to 226,377.62, 312,379.62 and 135,716.74 is: 187,276.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,377.62 : 312,379.62 = 135,716.74 : x
  2. Step 2: Convert to fraction form
    226,377.62/312,379.62 = 135,716.74/x
  3. Step 3: Cross multiply
    226,377.62x = 312,379.62 × 135,716.74
  4. Step 4: Simplify right side
    226,377.62x = 42,395,143,668.84
  5. Step 5: Solve for x
    x = 42,395,143,668.84/226,377.62
  6. Step 6: Final answer
    x = 187,276.21

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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.