Home / 298,867.20-449,175.60-293,618.40

Finding the Fourth Proportional to 298,867.20, 449,175.60 and 293,618.40

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Solution

The fourth proportional to 298,867.20, 449,175.60 and 293,618.40 is: 441,287.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,867.20 : 449,175.60 = 293,618.40 : x
  2. Step 2: Convert to fraction form
    298,867.20/449,175.60 = 293,618.40/x
  3. Step 3: Cross multiply
    298,867.20x = 449,175.60 × 293,618.40
  4. Step 4: Simplify right side
    298,867.20x = 131,886,220,991.04
  5. Step 5: Solve for x
    x = 131,886,220,991.04/298,867.20
  6. Step 6: Final answer
    x = 441,287.04

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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.