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Finding the Fourth Proportional to 331,886.40, 497,527.20 and 121,473.60

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Solution

The fourth proportional to 331,886.40, 497,527.20 and 121,473.60 is: 182,099.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,886.40 : 497,527.20 = 121,473.60 : x
  2. Step 2: Convert to fraction form
    331,886.40/497,527.20 = 121,473.60/x
  3. Step 3: Cross multiply
    331,886.40x = 497,527.20 × 121,473.60
  4. Step 4: Simplify right side
    331,886.40x = 60,436,420,081.92
  5. Step 5: Solve for x
    x = 60,436,420,081.92/331,886.40
  6. Step 6: Final answer
    x = 182,099.72

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