Home / 419,834.44-629,749.32-104,291.20

Finding the Fourth Proportional to 419,834.44, 629,749.32 and 104,291.20

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Solution

The fourth proportional to 419,834.44, 629,749.32 and 104,291.20 is: 156,436.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,834.44 : 629,749.32 = 104,291.20 : x
  2. Step 2: Convert to fraction form
    419,834.44/629,749.32 = 104,291.20/x
  3. Step 3: Cross multiply
    419,834.44x = 629,749.32 × 104,291.20
  4. Step 4: Simplify right side
    419,834.44x = 65,677,312,281.98
  5. Step 5: Solve for x
    x = 65,677,312,281.98/419,834.44
  6. Step 6: Final answer
    x = 156,436.22

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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.