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Finding the Fourth Proportional to 222,092.88, 306,495.46 and 121,490.88

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Solution

The fourth proportional to 222,092.88, 306,495.46 and 121,490.88 is: 167,661.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,092.88 : 306,495.46 = 121,490.88 : x
  2. Step 2: Convert to fraction form
    222,092.88/306,495.46 = 121,490.88/x
  3. Step 3: Cross multiply
    222,092.88x = 306,495.46 × 121,490.88
  4. Step 4: Simplify right side
    222,092.88x = 37,236,403,151.40
  5. Step 5: Solve for x
    x = 37,236,403,151.40/222,092.88
  6. Step 6: Final answer
    x = 167,661.40

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.