Home / 419,925.50-629,890.56-104,382.41

Finding the Fourth Proportional to 419,925.50, 629,890.56 and 104,382.41

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Solution

The fourth proportional to 419,925.50, 629,890.56 and 104,382.41 is: 156,574.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,925.50 : 629,890.56 = 104,382.41 : x
  2. Step 2: Convert to fraction form
    419,925.50/629,890.56 = 104,382.41/x
  3. Step 3: Cross multiply
    419,925.50x = 629,890.56 × 104,382.41
  4. Step 4: Simplify right side
    419,925.50x = 65,749,494,689.05
  5. Step 5: Solve for x
    x = 65,749,494,689.05/419,925.50
  6. Step 6: Final answer
    x = 156,574.19

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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.