Home / 331,986.77-498,220.03-132,192.01

Finding the Fourth Proportional to 331,986.77, 498,220.03 and 132,192.01

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Solution

The fourth proportional to 331,986.77, 498,220.03 and 132,192.01 is: 198,383.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,986.77 : 498,220.03 = 132,192.01 : x
  2. Step 2: Convert to fraction form
    331,986.77/498,220.03 = 132,192.01/x
  3. Step 3: Cross multiply
    331,986.77x = 498,220.03 × 132,192.01
  4. Step 4: Simplify right side
    331,986.77x = 65,860,704,696.86
  5. Step 5: Solve for x
    x = 65,860,704,696.86/331,986.77
  6. Step 6: Final answer
    x = 198,383.53

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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.