Home / 299,815.31-449,847.52-131,248.87

Finding the Fourth Proportional to 299,815.31, 449,847.52 and 131,248.87

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Solution

The fourth proportional to 299,815.31, 449,847.52 and 131,248.87 is: 196,927.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,815.31 : 449,847.52 = 131,248.87 : x
  2. Step 2: Convert to fraction form
    299,815.31/449,847.52 = 131,248.87/x
  3. Step 3: Cross multiply
    299,815.31x = 449,847.52 × 131,248.87
  4. Step 4: Simplify right side
    299,815.31x = 59,041,977,219.56
  5. Step 5: Solve for x
    x = 59,041,977,219.56/299,815.31
  6. Step 6: Final answer
    x = 196,927.82

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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.