Home / 247,040.22-340,790.31-156,243.27

Finding the Fourth Proportional to 247,040.22, 340,790.31 and 156,243.27

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Solution

The fourth proportional to 247,040.22, 340,790.31 and 156,243.27 is: 215,536.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,040.22 : 340,790.31 = 156,243.27 : x
  2. Step 2: Convert to fraction form
    247,040.22/340,790.31 = 156,243.27/x
  3. Step 3: Cross multiply
    247,040.22x = 340,790.31 × 156,243.27
  4. Step 4: Simplify right side
    247,040.22x = 53,246,192,418.71
  5. Step 5: Solve for x
    x = 53,246,192,418.71/247,040.22
  6. Step 6: Final answer
    x = 215,536.53

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1.5x scale

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.