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Finding the Fourth Proportional to 207,887.87, 286,885.22 and 112,394.56

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Solution

The fourth proportional to 207,887.87, 286,885.22 and 112,394.56 is: 155,104.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,887.87 : 286,885.22 = 112,394.56 : x
  2. Step 2: Convert to fraction form
    207,887.87/286,885.22 = 112,394.56/x
  3. Step 3: Cross multiply
    207,887.87x = 286,885.22 × 112,394.56
  4. Step 4: Simplify right side
    207,887.87x = 32,244,338,712.00
  5. Step 5: Solve for x
    x = 32,244,338,712.00/207,887.87
  6. Step 6: Final answer
    x = 155,104.48

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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.