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Finding the Fourth Proportional to 248,599.80, 372,847.32 and 80,134.92

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Solution

The fourth proportional to 248,599.80, 372,847.32 and 80,134.92 is: 120,185.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,599.80 : 372,847.32 = 80,134.92 : x
  2. Step 2: Convert to fraction form
    248,599.80/372,847.32 = 80,134.92/x
  3. Step 3: Cross multiply
    248,599.80x = 372,847.32 × 80,134.92
  4. Step 4: Simplify right side
    248,599.80x = 29,878,090,160.41
  5. Step 5: Solve for x
    x = 29,878,090,160.41/248,599.80
  6. Step 6: Final answer
    x = 120,185.50

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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.