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Finding the Fourth Proportional to 545,960.15, 818,942.25 and 166,879.39

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Solution

The fourth proportional to 545,960.15, 818,942.25 and 166,879.39 is: 250,319.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,960.15 : 818,942.25 = 166,879.39 : x
  2. Step 2: Convert to fraction form
    545,960.15/818,942.25 = 166,879.39/x
  3. Step 3: Cross multiply
    545,960.15x = 818,942.25 × 166,879.39
  4. Step 4: Simplify right side
    545,960.15x = 136,664,582,300.49
  5. Step 5: Solve for x
    x = 136,664,582,300.49/545,960.15
  6. Step 6: Final answer
    x = 250,319.70

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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.