Home / 465,721.92-697,998.72-199,169.52

Finding the Fourth Proportional to 465,721.92, 697,998.72 and 199,169.52

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Solution

The fourth proportional to 465,721.92, 697,998.72 and 199,169.52 is: 298,504.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,721.92 : 697,998.72 = 199,169.52 : x
  2. Step 2: Convert to fraction form
    465,721.92/697,998.72 = 199,169.52/x
  3. Step 3: Cross multiply
    465,721.92x = 697,998.72 × 199,169.52
  4. Step 4: Simplify right side
    465,721.92x = 139,020,070,023.01
  5. Step 5: Solve for x
    x = 139,020,070,023.01/465,721.92
  6. Step 6: Final answer
    x = 298,504.46

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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.