Home / 342,919.45-515,169.73-328,747.93

Finding the Fourth Proportional to 342,919.45, 515,169.73 and 328,747.93

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Solution

The fourth proportional to 342,919.45, 515,169.73 and 328,747.93 is: 493,879.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,919.45 : 515,169.73 = 328,747.93 : x
  2. Step 2: Convert to fraction form
    342,919.45/515,169.73 = 328,747.93/x
  3. Step 3: Cross multiply
    342,919.45x = 515,169.73 × 328,747.93
  4. Step 4: Simplify right side
    342,919.45x = 169,360,982,336.16
  5. Step 5: Solve for x
    x = 169,360,982,336.16/342,919.45
  6. Step 6: Final answer
    x = 493,879.78

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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.