Home / 668,667.52-1,002,997.80-163,231.17

Finding the Fourth Proportional to 668,667.52, 1,002,997.80 and 163,231.17

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Solution

The fourth proportional to 668,667.52, 1,002,997.80 and 163,231.17 is: 244,845.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,667.52 : 1,002,997.80 = 163,231.17 : x
  2. Step 2: Convert to fraction form
    668,667.52/1,002,997.80 = 163,231.17/x
  3. Step 3: Cross multiply
    668,667.52x = 1,002,997.80 × 163,231.17
  4. Step 4: Simplify right side
    668,667.52x = 163,720,500,640.18
  5. Step 5: Solve for x
    x = 163,720,500,640.18/668,667.52
  6. Step 6: Final answer
    x = 244,845.90

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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.