Home / 440,563.54-661,177.68-204,072.16

Finding the Fourth Proportional to 440,563.54, 661,177.68 and 204,072.16

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Solution

The fourth proportional to 440,563.54, 661,177.68 and 204,072.16 is: 306,262.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,563.54 : 661,177.68 = 204,072.16 : x
  2. Step 2: Convert to fraction form
    440,563.54/661,177.68 = 204,072.16/x
  3. Step 3: Cross multiply
    440,563.54x = 661,177.68 × 204,072.16
  4. Step 4: Simplify right side
    440,563.54x = 134,927,957,301.39
  5. Step 5: Solve for x
    x = 134,927,957,301.39/440,563.54
  6. Step 6: Final answer
    x = 306,262.20

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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.