Home / 247,896.20-341,970.84-161,905.56

Finding the Fourth Proportional to 247,896.20, 341,970.84 and 161,905.56

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Solution

The fourth proportional to 247,896.20, 341,970.84 and 161,905.56 is: 223,347.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,896.20 : 341,970.84 = 161,905.56 : x
  2. Step 2: Convert to fraction form
    247,896.20/341,970.84 = 161,905.56/x
  3. Step 3: Cross multiply
    247,896.20x = 341,970.84 × 161,905.56
  4. Step 4: Simplify right side
    247,896.20x = 55,366,980,353.87
  5. Step 5: Solve for x
    x = 55,366,980,353.87/247,896.20
  6. Step 6: Final answer
    x = 223,347.43

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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.