Home / 668,280.28-1,002,403.74-194,969.80

Finding the Fourth Proportional to 668,280.28, 1,002,403.74 and 194,969.80

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Solution

The fourth proportional to 668,280.28, 1,002,403.74 and 194,969.80 is: 292,449.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,280.28 : 1,002,403.74 = 194,969.80 : x
  2. Step 2: Convert to fraction form
    668,280.28/1,002,403.74 = 194,969.80/x
  3. Step 3: Cross multiply
    668,280.28x = 1,002,403.74 × 194,969.80
  4. Step 4: Simplify right side
    668,280.28x = 195,438,456,707.05
  5. Step 5: Solve for x
    x = 195,438,456,707.05/668,280.28
  6. Step 6: Final answer
    x = 292,449.83

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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.