Home / 668,220.44-1,002,379.86-194,918.40

Finding the Fourth Proportional to 668,220.44, 1,002,379.86 and 194,918.40

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Solution

The fourth proportional to 668,220.44, 1,002,379.86 and 194,918.40 is: 292,391.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,220.44 : 1,002,379.86 = 194,918.40 : x
  2. Step 2: Convert to fraction form
    668,220.44/1,002,379.86 = 194,918.40/x
  3. Step 3: Cross multiply
    668,220.44x = 1,002,379.86 × 194,918.40
  4. Step 4: Simplify right side
    668,220.44x = 195,382,278,503.42
  5. Step 5: Solve for x
    x = 195,382,278,503.42/668,220.44
  6. Step 6: Final answer
    x = 292,391.95

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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.