Home / 458,949.60-688,234.89-199,304.10

Finding the Fourth Proportional to 458,949.60, 688,234.89 and 199,304.10

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Solution

The fourth proportional to 458,949.60, 688,234.89 and 199,304.10 is: 298,873.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,949.60 : 688,234.89 = 199,304.10 : x
  2. Step 2: Convert to fraction form
    458,949.60/688,234.89 = 199,304.10/x
  3. Step 3: Cross multiply
    458,949.60x = 688,234.89 × 199,304.10
  4. Step 4: Simplify right side
    458,949.60x = 137,168,035,340.05
  5. Step 5: Solve for x
    x = 137,168,035,340.05/458,949.60
  6. Step 6: Final answer
    x = 298,873.85

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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.