Home / 419,559.09-629,089.69-166,703.91

Finding the Fourth Proportional to 419,559.09, 629,089.69 and 166,703.91

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Solution

The fourth proportional to 419,559.09, 629,089.69 and 166,703.91 is: 249,956.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,559.09 : 629,089.69 = 166,703.91 : x
  2. Step 2: Convert to fraction form
    419,559.09/629,089.69 = 166,703.91/x
  3. Step 3: Cross multiply
    419,559.09x = 629,089.69 × 166,703.91
  4. Step 4: Simplify right side
    419,559.09x = 104,871,711,063.69
  5. Step 5: Solve for x
    x = 104,871,711,063.69/419,559.09
  6. Step 6: Final answer
    x = 249,956.95

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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.