Home / 299,836.37-449,441.07-141,876.65

Finding the Fourth Proportional to 299,836.37, 449,441.07 and 141,876.65

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Solution

The fourth proportional to 299,836.37, 449,441.07 and 141,876.65 is: 212,666.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,836.37 : 449,441.07 = 141,876.65 : x
  2. Step 2: Convert to fraction form
    299,836.37/449,441.07 = 141,876.65/x
  3. Step 3: Cross multiply
    299,836.37x = 449,441.07 × 141,876.65
  4. Step 4: Simplify right side
    299,836.37x = 63,765,191,136.81
  5. Step 5: Solve for x
    x = 63,765,191,136.81/299,836.37
  6. Step 6: Final answer
    x = 212,666.64

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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.