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Finding the Fourth Proportional to 222,395.48, 306,899.82 and 126,900.44

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Solution

The fourth proportional to 222,395.48, 306,899.82 and 126,900.44 is: 175,119.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,395.48 : 306,899.82 = 126,900.44 : x
  2. Step 2: Convert to fraction form
    222,395.48/306,899.82 = 126,900.44/x
  3. Step 3: Cross multiply
    222,395.48x = 306,899.82 × 126,900.44
  4. Step 4: Simplify right side
    222,395.48x = 38,945,722,193.92
  5. Step 5: Solve for x
    x = 38,945,722,193.92/222,395.48
  6. Step 6: Final answer
    x = 175,119.22

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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.