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Finding the Fourth Proportional to 203,367.73, 280,664.27 and 112,752.12

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Solution

The fourth proportional to 203,367.73, 280,664.27 and 112,752.12 is: 155,607.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,367.73 : 280,664.27 = 112,752.12 : x
  2. Step 2: Convert to fraction form
    203,367.73/280,664.27 = 112,752.12/x
  3. Step 3: Cross multiply
    203,367.73x = 280,664.27 × 112,752.12
  4. Step 4: Simplify right side
    203,367.73x = 31,645,491,450.75
  5. Step 5: Solve for x
    x = 31,645,491,450.75/203,367.73
  6. Step 6: Final answer
    x = 155,607.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.