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Finding the Fourth Proportional to 222,097.88, 306,502.38 and 121,495.88

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Solution

The fourth proportional to 222,097.88, 306,502.38 and 121,495.88 is: 167,668.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,097.88 : 306,502.38 = 121,495.88 : x
  2. Step 2: Convert to fraction form
    222,097.88/306,502.38 = 121,495.88/x
  3. Step 3: Cross multiply
    222,097.88x = 306,502.38 × 121,495.88
  4. Step 4: Simplify right side
    222,097.88x = 37,238,774,847.68
  5. Step 5: Solve for x
    x = 37,238,774,847.68/222,097.88
  6. Step 6: Final answer
    x = 167,668.31

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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.