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Finding the Fourth Proportional to 247,047.54, 340,800.39 and 156,250.59

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Solution

The fourth proportional to 247,047.54, 340,800.39 and 156,250.59 is: 215,546.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,047.54 : 340,800.39 = 156,250.59 : x
  2. Step 2: Convert to fraction form
    247,047.54/340,800.39 = 156,250.59/x
  3. Step 3: Cross multiply
    247,047.54x = 340,800.39 × 156,250.59
  4. Step 4: Simplify right side
    247,047.54x = 53,250,262,009.73
  5. Step 5: Solve for x
    x = 53,250,262,009.73/247,047.54
  6. Step 6: Final answer
    x = 215,546.62

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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.