Home / 419,743.80-629,272.62-195,244.20

Finding the Fourth Proportional to 419,743.80, 629,272.62 and 195,244.20

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Solution

The fourth proportional to 419,743.80, 629,272.62 and 195,244.20 is: 292,706.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,743.80 : 629,272.62 = 195,244.20 : x
  2. Step 2: Convert to fraction form
    419,743.80/629,272.62 = 195,244.20/x
  3. Step 3: Cross multiply
    419,743.80x = 629,272.62 × 195,244.20
  4. Step 4: Simplify right side
    419,743.80x = 122,861,829,273.80
  5. Step 5: Solve for x
    x = 122,861,829,273.80/419,743.80
  6. Step 6: Final answer
    x = 292,706.72

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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.