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Finding the Fourth Proportional to 247,034.22, 340,775.73 and 150,267.66

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Solution

The fourth proportional to 247,034.22, 340,775.73 and 150,267.66 is: 207,289.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,034.22 : 340,775.73 = 150,267.66 : x
  2. Step 2: Convert to fraction form
    247,034.22/340,775.73 = 150,267.66/x
  3. Step 3: Cross multiply
    247,034.22x = 340,775.73 × 150,267.66
  4. Step 4: Simplify right side
    247,034.22x = 51,207,571,531.89
  5. Step 5: Solve for x
    x = 51,207,571,531.89/247,034.22
  6. Step 6: Final answer
    x = 207,289.38

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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.