Home / 693,379-1,040,068.50-168,067

Finding the Fourth Proportional to 693,379, 1,040,068.50 and 168,067

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Solution

The fourth proportional to 693,379, 1,040,068.50 and 168,067 is: 252,100.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,379 : 1,040,068.50 = 168,067 : x
  2. Step 2: Convert to fraction form
    693,379/1,040,068.50 = 168,067/x
  3. Step 3: Cross multiply
    693,379x = 1,040,068.50 × 168,067
  4. Step 4: Simplify right side
    693,379x = 174,801,192,589.50
  5. Step 5: Solve for x
    x = 174,801,192,589.50/693,379
  6. Step 6: Final answer
    x = 252,100.50

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1.5x scale

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.