Home / 451,222.42-622,686.39-247,286.15

Finding the Fourth Proportional to 451,222.42, 622,686.39 and 247,286.15

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Solution

The fourth proportional to 451,222.42, 622,686.39 and 247,286.15 is: 341,254.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,222.42 : 622,686.39 = 247,286.15 : x
  2. Step 2: Convert to fraction form
    451,222.42/622,686.39 = 247,286.15/x
  3. Step 3: Cross multiply
    451,222.42x = 622,686.39 × 247,286.15
  4. Step 4: Simplify right side
    451,222.42x = 153,981,720,040.50
  5. Step 5: Solve for x
    x = 153,981,720,040.50/451,222.42
  6. Step 6: Final answer
    x = 341,254.59

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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.