Home / 419,411.45-629,119.15-179,490.26

Finding the Fourth Proportional to 419,411.45, 629,119.15 and 179,490.26

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Solution

The fourth proportional to 419,411.45, 629,119.15 and 179,490.26 is: 269,236.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,411.45 : 629,119.15 = 179,490.26 : x
  2. Step 2: Convert to fraction form
    419,411.45/629,119.15 = 179,490.26/x
  3. Step 3: Cross multiply
    419,411.45x = 629,119.15 × 179,490.26
  4. Step 4: Simplify right side
    419,411.45x = 112,920,760,928.55
  5. Step 5: Solve for x
    x = 112,920,760,928.55/419,411.45
  6. Step 6: Final answer
    x = 269,236.24

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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.