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Finding the Fourth Proportional to 247,399.37, 371,048.02 and 120,909.77

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Solution

The fourth proportional to 247,399.37, 371,048.02 and 120,909.77 is: 181,339.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,399.37 : 371,048.02 = 120,909.77 : x
  2. Step 2: Convert to fraction form
    247,399.37/371,048.02 = 120,909.77/x
  3. Step 3: Cross multiply
    247,399.37x = 371,048.02 × 120,909.77
  4. Step 4: Simplify right side
    247,399.37x = 44,863,330,757.16
  5. Step 5: Solve for x
    x = 44,863,330,757.16/247,399.37
  6. Step 6: Final answer
    x = 181,339.71

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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.