Home / 324,664.86-486,735.03-135,267.87

Finding the Fourth Proportional to 324,664.86, 486,735.03 and 135,267.87

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Solution

The fourth proportional to 324,664.86, 486,735.03 and 135,267.87 is: 202,792.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,664.86 : 486,735.03 = 135,267.87 : x
  2. Step 2: Convert to fraction form
    324,664.86/486,735.03 = 135,267.87/x
  3. Step 3: Cross multiply
    324,664.86x = 486,735.03 × 135,267.87
  4. Step 4: Simplify right side
    324,664.86x = 65,839,610,762.49
  5. Step 5: Solve for x
    x = 65,839,610,762.49/324,664.86
  6. Step 6: Final answer
    x = 202,792.54

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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.