Home / 299,947.10-449,829.76-157,715.73

Finding the Fourth Proportional to 299,947.10, 449,829.76 and 157,715.73

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Solution

The fourth proportional to 299,947.10, 449,829.76 and 157,715.73 is: 236,525.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,947.10 : 449,829.76 = 157,715.73 : x
  2. Step 2: Convert to fraction form
    299,947.10/449,829.76 = 157,715.73/x
  3. Step 3: Cross multiply
    299,947.10x = 449,829.76 × 157,715.73
  4. Step 4: Simplify right side
    299,947.10x = 70,945,228,974.12
  5. Step 5: Solve for x
    x = 70,945,228,974.12/299,947.10
  6. Step 6: Final answer
    x = 236,525.80

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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.