Home / 451,231.80-677,029.95-198,560.40

Finding the Fourth Proportional to 451,231.80, 677,029.95 and 198,560.40

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Solution

The fourth proportional to 451,231.80, 677,029.95 and 198,560.40 is: 297,920.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,231.80 : 677,029.95 = 198,560.40 : x
  2. Step 2: Convert to fraction form
    451,231.80/677,029.95 = 198,560.40/x
  3. Step 3: Cross multiply
    451,231.80x = 677,029.95 × 198,560.40
  4. Step 4: Simplify right side
    451,231.80x = 134,431,337,683.98
  5. Step 5: Solve for x
    x = 134,431,337,683.98/451,231.80
  6. Step 6: Final answer
    x = 297,920.80

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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.