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Finding the Fourth Proportional to 248,998.20, 373,497.30 and 71,489.40

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Solution

The fourth proportional to 248,998.20, 373,497.30 and 71,489.40 is: 107,234.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,998.20 : 373,497.30 = 71,489.40 : x
  2. Step 2: Convert to fraction form
    248,998.20/373,497.30 = 71,489.40/x
  3. Step 3: Cross multiply
    248,998.20x = 373,497.30 × 71,489.40
  4. Step 4: Simplify right side
    248,998.20x = 26,701,097,878.62
  5. Step 5: Solve for x
    x = 26,701,097,878.62/248,998.20
  6. Step 6: Final answer
    x = 107,234.10

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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.