Home / 668,221.44-1,002,381.36-194,919.40

Finding the Fourth Proportional to 668,221.44, 1,002,381.36 and 194,919.40

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Solution

The fourth proportional to 668,221.44, 1,002,381.36 and 194,919.40 is: 292,393.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,221.44 : 1,002,381.36 = 194,919.40 : x
  2. Step 2: Convert to fraction form
    668,221.44/1,002,381.36 = 194,919.40/x
  3. Step 3: Cross multiply
    668,221.44x = 1,002,381.36 × 194,919.40
  4. Step 4: Simplify right side
    668,221.44x = 195,383,573,262.38
  5. Step 5: Solve for x
    x = 195,383,573,262.38/668,221.44
  6. Step 6: Final answer
    x = 292,393.45

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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.