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Finding the Fourth Proportional to 325,237.60, 487,856.40 and 192,181.60

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Solution

The fourth proportional to 325,237.60, 487,856.40 and 192,181.60 is: 288,272.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,237.60 : 487,856.40 = 192,181.60 : x
  2. Step 2: Convert to fraction form
    325,237.60/487,856.40 = 192,181.60/x
  3. Step 3: Cross multiply
    325,237.60x = 487,856.40 × 192,181.60
  4. Step 4: Simplify right side
    325,237.60x = 93,757,023,522.24
  5. Step 5: Solve for x
    x = 93,757,023,522.24/325,237.60
  6. Step 6: Final answer
    x = 288,272.40

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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.