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Finding the Fourth Proportional to 222,365.34, 306,864.36 and 120,390.84

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Solution

The fourth proportional to 222,365.34, 306,864.36 and 120,390.84 is: 166,139.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,365.34 : 306,864.36 = 120,390.84 : x
  2. Step 2: Convert to fraction form
    222,365.34/306,864.36 = 120,390.84/x
  3. Step 3: Cross multiply
    222,365.34x = 306,864.36 × 120,390.84
  4. Step 4: Simplify right side
    222,365.34x = 36,943,658,066.46
  5. Step 5: Solve for x
    x = 36,943,658,066.46/222,365.34
  6. Step 6: Final answer
    x = 166,139.46

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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.