Home / 419,823.64-629,172.24-229,997.53

Finding the Fourth Proportional to 419,823.64, 629,172.24 and 229,997.53

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Solution

The fourth proportional to 419,823.64, 629,172.24 and 229,997.53 is: 344,687.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,823.64 : 629,172.24 = 229,997.53 : x
  2. Step 2: Convert to fraction form
    419,823.64/629,172.24 = 229,997.53/x
  3. Step 3: Cross multiply
    419,823.64x = 629,172.24 × 229,997.53
  4. Step 4: Simplify right side
    419,823.64x = 144,708,061,144.57
  5. Step 5: Solve for x
    x = 144,708,061,144.57/419,823.64
  6. Step 6: Final answer
    x = 344,687.74

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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.