Home / 419,560.09-629,091.19-166,704.91

Finding the Fourth Proportional to 419,560.09, 629,091.19 and 166,704.91

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Solution

The fourth proportional to 419,560.09, 629,091.19 and 166,704.91 is: 249,958.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,560.09 : 629,091.19 = 166,704.91 : x
  2. Step 2: Convert to fraction form
    419,560.09/629,091.19 = 166,704.91/x
  3. Step 3: Cross multiply
    419,560.09x = 629,091.19 × 166,704.91
  4. Step 4: Simplify right side
    419,560.09x = 104,872,590,210.74
  5. Step 5: Solve for x
    x = 104,872,590,210.74/419,560.09
  6. Step 6: Final answer
    x = 249,958.45

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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.