Home / 668,174.55-1,002,261.78-194,859.87

Finding the Fourth Proportional to 668,174.55, 1,002,261.78 and 194,859.87

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Solution

The fourth proportional to 668,174.55, 1,002,261.78 and 194,859.87 is: 292,289.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,174.55 : 1,002,261.78 = 194,859.87 : x
  2. Step 2: Convert to fraction form
    668,174.55/1,002,261.78 = 194,859.87/x
  3. Step 3: Cross multiply
    668,174.55x = 1,002,261.78 × 194,859.87
  4. Step 4: Simplify right side
    668,174.55x = 195,300,600,156.77
  5. Step 5: Solve for x
    x = 195,300,600,156.77/668,174.55
  6. Step 6: Final answer
    x = 292,289.79

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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.