Home / 451,261.50-622,747.78-247,310.76

Finding the Fourth Proportional to 451,261.50, 622,747.78 and 247,310.76

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Solution

The fourth proportional to 451,261.50, 622,747.78 and 247,310.76 is: 341,292.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,261.50 : 622,747.78 = 247,310.76 : x
  2. Step 2: Convert to fraction form
    451,261.50/622,747.78 = 247,310.76/x
  3. Step 3: Cross multiply
    451,261.50x = 622,747.78 × 247,310.76
  4. Step 4: Simplify right side
    451,261.50x = 154,012,226,760.11
  5. Step 5: Solve for x
    x = 154,012,226,760.11/451,261.50
  6. Step 6: Final answer
    x = 341,292.64

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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.