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Finding the Fourth Proportional to 227,279.82, 313,640.37 and 125,302.89

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Solution

The fourth proportional to 227,279.82, 313,640.37 and 125,302.89 is: 172,914.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,279.82 : 313,640.37 = 125,302.89 : x
  2. Step 2: Convert to fraction form
    227,279.82/313,640.37 = 125,302.89/x
  3. Step 3: Cross multiply
    227,279.82x = 313,640.37 × 125,302.89
  4. Step 4: Simplify right side
    227,279.82x = 39,300,044,781.67
  5. Step 5: Solve for x
    x = 39,300,044,781.67/227,279.82
  6. Step 6: Final answer
    x = 172,914.80

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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.