Home / 419,835.05-629,851.44-167,129.93

Finding the Fourth Proportional to 419,835.05, 629,851.44 and 167,129.93

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Solution

The fourth proportional to 419,835.05, 629,851.44 and 167,129.93 is: 250,734.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,835.05 : 629,851.44 = 167,129.93 : x
  2. Step 2: Convert to fraction form
    419,835.05/629,851.44 = 167,129.93/x
  3. Step 3: Cross multiply
    419,835.05x = 629,851.44 × 167,129.93
  4. Step 4: Simplify right side
    419,835.05x = 105,267,029,278.97
  5. Step 5: Solve for x
    x = 105,267,029,278.97/419,835.05
  6. Step 6: Final answer
    x = 250,734.26

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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.