Home / 419,506.40-629,053.56-179,586.38

Finding the Fourth Proportional to 419,506.40, 629,053.56 and 179,586.38

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Solution

The fourth proportional to 419,506.40, 629,053.56 and 179,586.38 is: 269,291.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,506.40 : 629,053.56 = 179,586.38 : x
  2. Step 2: Convert to fraction form
    419,506.40/629,053.56 = 179,586.38/x
  3. Step 3: Cross multiply
    419,506.40x = 629,053.56 × 179,586.38
  4. Step 4: Simplify right side
    419,506.40x = 112,969,451,666.51
  5. Step 5: Solve for x
    x = 112,969,451,666.51/419,506.40
  6. Step 6: Final answer
    x = 269,291.37

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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.