Home / 299,873.08-449,956.24-131,370.40

Finding the Fourth Proportional to 299,873.08, 449,956.24 and 131,370.40

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Solution

The fourth proportional to 299,873.08, 449,956.24 and 131,370.40 is: 197,119.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,873.08 : 449,956.24 = 131,370.40 : x
  2. Step 2: Convert to fraction form
    299,873.08/449,956.24 = 131,370.40/x
  3. Step 3: Cross multiply
    299,873.08x = 449,956.24 × 131,370.40
  4. Step 4: Simplify right side
    299,873.08x = 59,110,931,231.30
  5. Step 5: Solve for x
    x = 59,110,931,231.30/299,873.08
  6. Step 6: Final answer
    x = 197,119.83

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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.