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Finding the Fourth Proportional to 222,068, 306,458.16 and 121,468.16

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Solution

The fourth proportional to 222,068, 306,458.16 and 121,468.16 is: 167,628.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,068 : 306,458.16 = 121,468.16 : x
  2. Step 2: Convert to fraction form
    222,068/306,458.16 = 121,468.16/x
  3. Step 3: Cross multiply
    222,068x = 306,458.16 × 121,468.16
  4. Step 4: Simplify right side
    222,068x = 37,224,908,812.19
  5. Step 5: Solve for x
    x = 37,224,908,812.19/222,068
  6. Step 6: Final answer
    x = 167,628.42

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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.