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Finding the Fourth Proportional to 262,289.66, 393,828.15 and 150,096.56

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Solution

The fourth proportional to 262,289.66, 393,828.15 and 150,096.56 is: 225,370.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,289.66 : 393,828.15 = 150,096.56 : x
  2. Step 2: Convert to fraction form
    262,289.66/393,828.15 = 150,096.56/x
  3. Step 3: Cross multiply
    262,289.66x = 393,828.15 × 150,096.56
  4. Step 4: Simplify right side
    262,289.66x = 59,112,250,546.16
  5. Step 5: Solve for x
    x = 59,112,250,546.16/262,289.66
  6. Step 6: Final answer
    x = 225,370.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.