Home / 419,822.64-629,170.74-229,996.53

Finding the Fourth Proportional to 419,822.64, 629,170.74 and 229,996.53

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Solution

The fourth proportional to 419,822.64, 629,170.74 and 229,996.53 is: 344,686.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,822.64 : 629,170.74 = 229,996.53 : x
  2. Step 2: Convert to fraction form
    419,822.64/629,170.74 = 229,996.53/x
  3. Step 3: Cross multiply
    419,822.64x = 629,170.74 × 229,996.53
  4. Step 4: Simplify right side
    419,822.64x = 144,707,086,977.53
  5. Step 5: Solve for x
    x = 144,707,086,977.53/419,822.64
  6. Step 6: Final answer
    x = 344,686.24

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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.