Home / 299,835.48-449,974.26-142,063.32

Finding the Fourth Proportional to 299,835.48, 449,974.26 and 142,063.32

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Solution

The fourth proportional to 299,835.48, 449,974.26 and 142,063.32 is: 213,199.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,835.48 : 449,974.26 = 142,063.32 : x
  2. Step 2: Convert to fraction form
    299,835.48/449,974.26 = 142,063.32/x
  3. Step 3: Cross multiply
    299,835.48x = 449,974.26 × 142,063.32
  4. Step 4: Simplify right side
    299,835.48x = 63,924,837,290.14
  5. Step 5: Solve for x
    x = 63,924,837,290.14/299,835.48
  6. Step 6: Final answer
    x = 213,199.71

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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.