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Finding the Fourth Proportional to 203,071, 280,199.08 and 131,441.08

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Solution

The fourth proportional to 203,071, 280,199.08 and 131,441.08 is: 181,363.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,071 : 280,199.08 = 131,441.08 : x
  2. Step 2: Convert to fraction form
    203,071/280,199.08 = 131,441.08/x
  3. Step 3: Cross multiply
    203,071x = 280,199.08 × 131,441.08
  4. Step 4: Simplify right side
    203,071x = 36,829,669,690.21
  5. Step 5: Solve for x
    x = 36,829,669,690.21/203,071
  6. Step 6: Final answer
    x = 181,363.51

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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.