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Finding the Fourth Proportional to 222,401.44, 306,917.04 and 121,800.16

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Solution

The fourth proportional to 222,401.44, 306,917.04 and 121,800.16 is: 168,085.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,401.44 : 306,917.04 = 121,800.16 : x
  2. Step 2: Convert to fraction form
    222,401.44/306,917.04 = 121,800.16/x
  3. Step 3: Cross multiply
    222,401.44x = 306,917.04 × 121,800.16
  4. Step 4: Simplify right side
    222,401.44x = 37,382,544,578.73
  5. Step 5: Solve for x
    x = 37,382,544,578.73/222,401.44
  6. Step 6: Final answer
    x = 168,085.89

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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.