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Finding the Fourth Proportional to 248,380.80, 372,459.11 and 70,845.63

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Solution

The fourth proportional to 248,380.80, 372,459.11 and 70,845.63 is: 106,236.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,380.80 : 372,459.11 = 70,845.63 : x
  2. Step 2: Convert to fraction form
    248,380.80/372,459.11 = 70,845.63/x
  3. Step 3: Cross multiply
    248,380.80x = 372,459.11 × 70,845.63
  4. Step 4: Simplify right side
    248,380.80x = 26,387,099,942.96
  5. Step 5: Solve for x
    x = 26,387,099,942.96/248,380.80
  6. Step 6: Final answer
    x = 106,236.47

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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.