Home / 451,176.88-622,564.78-269,822.56

Finding the Fourth Proportional to 451,176.88, 622,564.78 and 269,822.56

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Solution

The fourth proportional to 451,176.88, 622,564.78 and 269,822.56 is: 372,319.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,176.88 : 622,564.78 = 269,822.56 : x
  2. Step 2: Convert to fraction form
    451,176.88/622,564.78 = 269,822.56/x
  3. Step 3: Cross multiply
    451,176.88x = 622,564.78 × 269,822.56
  4. Step 4: Simplify right side
    451,176.88x = 167,982,018,243.50
  5. Step 5: Solve for x
    x = 167,982,018,243.50/451,176.88
  6. Step 6: Final answer
    x = 372,319.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.