Home / 668,665.45-1,002,994.71-163,229.09

Finding the Fourth Proportional to 668,665.45, 1,002,994.71 and 163,229.09

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Solution

The fourth proportional to 668,665.45, 1,002,994.71 and 163,229.09 is: 244,842.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,665.45 : 1,002,994.71 = 163,229.09 : x
  2. Step 2: Convert to fraction form
    668,665.45/1,002,994.71 = 163,229.09/x
  3. Step 3: Cross multiply
    668,665.45x = 1,002,994.71 × 163,229.09
  4. Step 4: Simplify right side
    668,665.45x = 163,717,916,295.60
  5. Step 5: Solve for x
    x = 163,717,916,295.60/668,665.45
  6. Step 6: Final answer
    x = 244,842.79

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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.