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Finding the Fourth Proportional to 247,011.78, 340,744.76 and 150,245.22

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Solution

The fourth proportional to 247,011.78, 340,744.76 and 150,245.22 is: 207,258.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,011.78 : 340,744.76 = 150,245.22 : x
  2. Step 2: Convert to fraction form
    247,011.78/340,744.76 = 150,245.22/x
  3. Step 3: Cross multiply
    247,011.78x = 340,744.76 × 150,245.22
  4. Step 4: Simplify right side
    247,011.78x = 51,195,271,430.05
  5. Step 5: Solve for x
    x = 51,195,271,430.05/247,011.78
  6. Step 6: Final answer
    x = 207,258.42

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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.