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Finding the Fourth Proportional to 340,975.72, 511,520.78 and 104,262.92

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Solution

The fourth proportional to 340,975.72, 511,520.78 and 104,262.92 is: 156,411.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,975.72 : 511,520.78 = 104,262.92 : x
  2. Step 2: Convert to fraction form
    340,975.72/511,520.78 = 104,262.92/x
  3. Step 3: Cross multiply
    340,975.72x = 511,520.78 × 104,262.92
  4. Step 4: Simplify right side
    340,975.72x = 53,332,650,163.48
  5. Step 5: Solve for x
    x = 53,332,650,163.48/340,975.72
  6. Step 6: Final answer
    x = 156,411.87

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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.