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Finding the Fourth Proportional to 222,620.40, 307,217.04 and 120,646.08

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Solution

The fourth proportional to 222,620.40, 307,217.04 and 120,646.08 is: 166,492.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,620.40 : 307,217.04 = 120,646.08 : x
  2. Step 2: Convert to fraction form
    222,620.40/307,217.04 = 120,646.08/x
  3. Step 3: Cross multiply
    222,620.40x = 307,217.04 × 120,646.08
  4. Step 4: Simplify right side
    222,620.40x = 37,064,531,585.20
  5. Step 5: Solve for x
    x = 37,064,531,585.20/222,620.40
  6. Step 6: Final answer
    x = 166,492.07

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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.