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Finding the Fourth Proportional to 248,544.20, 372,878.40 and 80,080.40

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Solution

The fourth proportional to 248,544.20, 372,878.40 and 80,080.40 is: 120,140.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,544.20 : 372,878.40 = 80,080.40 : x
  2. Step 2: Convert to fraction form
    248,544.20/372,878.40 = 80,080.40/x
  3. Step 3: Cross multiply
    248,544.20x = 372,878.40 × 80,080.40
  4. Step 4: Simplify right side
    248,544.20x = 29,860,251,423.36
  5. Step 5: Solve for x
    x = 29,860,251,423.36/248,544.20
  6. Step 6: Final answer
    x = 120,140.61

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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.