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Finding the Fourth Proportional to 668,250.80, 1,002,605.70 and 195,005.60

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Solution

The fourth proportional to 668,250.80, 1,002,605.70 and 195,005.60 is: 292,575.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,250.80 : 1,002,605.70 = 195,005.60 : x
  2. Step 2: Convert to fraction form
    668,250.80/1,002,605.70 = 195,005.60/x
  3. Step 3: Cross multiply
    668,250.80x = 1,002,605.70 × 195,005.60
  4. Step 4: Simplify right side
    668,250.80x = 195,513,726,091.92
  5. Step 5: Solve for x
    x = 195,513,726,091.92/668,250.80
  6. Step 6: Final answer
    x = 292,575.37

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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.