Home / 299,548.23-449,462.34-131,046.72

Finding the Fourth Proportional to 299,548.23, 449,462.34 and 131,046.72

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Solution

The fourth proportional to 299,548.23, 449,462.34 and 131,046.72 is: 196,631.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,548.23 : 449,462.34 = 131,046.72 : x
  2. Step 2: Convert to fraction form
    299,548.23/449,462.34 = 131,046.72/x
  3. Step 3: Cross multiply
    299,548.23x = 449,462.34 × 131,046.72
  4. Step 4: Simplify right side
    299,548.23x = 58,900,565,420.52
  5. Step 5: Solve for x
    x = 58,900,565,420.52/299,548.23
  6. Step 6: Final answer
    x = 196,631.33

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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.