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Finding the Fourth Proportional to 203,447.35, 280,701.01 and 117,400.33

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Solution

The fourth proportional to 203,447.35, 280,701.01 and 117,400.33 is: 161,979.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,447.35 : 280,701.01 = 117,400.33 : x
  2. Step 2: Convert to fraction form
    203,447.35/280,701.01 = 117,400.33/x
  3. Step 3: Cross multiply
    203,447.35x = 280,701.01 × 117,400.33
  4. Step 4: Simplify right side
    203,447.35x = 32,954,391,205.33
  5. Step 5: Solve for x
    x = 32,954,391,205.33/203,447.35
  6. Step 6: Final answer
    x = 161,979.95

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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.