Home / 299,860.10-449,513.36-149,969.96

Finding the Fourth Proportional to 299,860.10, 449,513.36 and 149,969.96

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Solution

The fourth proportional to 299,860.10, 449,513.36 and 149,969.96 is: 224,816.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,860.10 : 449,513.36 = 149,969.96 : x
  2. Step 2: Convert to fraction form
    299,860.10/449,513.36 = 149,969.96/x
  3. Step 3: Cross multiply
    299,860.10x = 449,513.36 × 149,969.96
  4. Step 4: Simplify right side
    299,860.10x = 67,413,500,618.67
  5. Step 5: Solve for x
    x = 67,413,500,618.67/299,860.10
  6. Step 6: Final answer
    x = 224,816.51

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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.