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Finding the Fourth Proportional to 227,055, 313,345.62 and 126,453

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Solution

The fourth proportional to 227,055, 313,345.62 and 126,453 is: 174,510.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,055 : 313,345.62 = 126,453 : x
  2. Step 2: Convert to fraction form
    227,055/313,345.62 = 126,453/x
  3. Step 3: Cross multiply
    227,055x = 313,345.62 × 126,453
  4. Step 4: Simplify right side
    227,055x = 39,623,493,685.86
  5. Step 5: Solve for x
    x = 39,623,493,685.86/227,055
  6. Step 6: Final answer
    x = 174,510.55

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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.