Home / 419,578.45-629,302.37-230,132.00

Finding the Fourth Proportional to 419,578.45, 629,302.37 and 230,132.00

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Solution

The fourth proportional to 419,578.45, 629,302.37 and 230,132.00 is: 345,162.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,578.45 : 629,302.37 = 230,132.00 : x
  2. Step 2: Convert to fraction form
    419,578.45/629,302.37 = 230,132.00/x
  3. Step 3: Cross multiply
    419,578.45x = 629,302.37 × 230,132.00
  4. Step 4: Simplify right side
    419,578.45x = 144,822,613,435.44
  5. Step 5: Solve for x
    x = 144,822,613,435.44/419,578.45
  6. Step 6: Final answer
    x = 345,162.18

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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.