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Finding the Fourth Proportional to 315,092.63, 434,753.04 and 179,115.83

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Solution

The fourth proportional to 315,092.63, 434,753.04 and 179,115.83 is: 247,137.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,092.63 : 434,753.04 = 179,115.83 : x
  2. Step 2: Convert to fraction form
    315,092.63/434,753.04 = 179,115.83/x
  3. Step 3: Cross multiply
    315,092.63x = 434,753.04 × 179,115.83
  4. Step 4: Simplify right side
    315,092.63x = 77,871,151,604.62
  5. Step 5: Solve for x
    x = 77,871,151,604.62/315,092.63
  6. Step 6: Final answer
    x = 247,137.33

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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.