Home / 668,253.75-1,002,364.07-194,943.21

Finding the Fourth Proportional to 668,253.75, 1,002,364.07 and 194,943.21

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Solution

The fourth proportional to 668,253.75, 1,002,364.07 and 194,943.21 is: 292,409.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,253.75 : 1,002,364.07 = 194,943.21 : x
  2. Step 2: Convert to fraction form
    668,253.75/1,002,364.07 = 194,943.21/x
  3. Step 3: Cross multiply
    668,253.75x = 1,002,364.07 × 194,943.21
  4. Step 4: Simplify right side
    668,253.75x = 195,404,064,660.88
  5. Step 5: Solve for x
    x = 195,404,064,660.88/668,253.75
  6. Step 6: Final answer
    x = 292,409.98

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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.