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Finding the Fourth Proportional to 203,893.02, 306,026.33 and 109,230.08

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Solution

The fourth proportional to 203,893.02, 306,026.33 and 109,230.08 is: 163,945.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,893.02 : 306,026.33 = 109,230.08 : x
  2. Step 2: Convert to fraction form
    203,893.02/306,026.33 = 109,230.08/x
  3. Step 3: Cross multiply
    203,893.02x = 306,026.33 × 109,230.08
  4. Step 4: Simplify right side
    203,893.02x = 33,427,278,431.72
  5. Step 5: Solve for x
    x = 33,427,278,431.72/203,893.02
  6. Step 6: Final answer
    x = 163,945.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.