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Finding the Fourth Proportional to 203,022.49, 280,167.01 and 112,373.16

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Solution

The fourth proportional to 203,022.49, 280,167.01 and 112,373.16 is: 155,072.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,022.49 : 280,167.01 = 112,373.16 : x
  2. Step 2: Convert to fraction form
    203,022.49/280,167.01 = 112,373.16/x
  3. Step 3: Cross multiply
    203,022.49x = 280,167.01 × 112,373.16
  4. Step 4: Simplify right side
    203,022.49x = 31,483,252,241.45
  5. Step 5: Solve for x
    x = 31,483,252,241.45/203,022.49
  6. Step 6: Final answer
    x = 155,072.73

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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.