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Finding the Fourth Proportional to 248,720.54, 373,134.12 and 80,250.50

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Solution

The fourth proportional to 248,720.54, 373,134.12 and 80,250.50 is: 120,392.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,720.54 : 373,134.12 = 80,250.50 : x
  2. Step 2: Convert to fraction form
    248,720.54/373,134.12 = 80,250.50/x
  3. Step 3: Cross multiply
    248,720.54x = 373,134.12 × 80,250.50
  4. Step 4: Simplify right side
    248,720.54x = 29,944,199,697.06
  5. Step 5: Solve for x
    x = 29,944,199,697.06/248,720.54
  6. Step 6: Final answer
    x = 120,392.95

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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.