Home / 326,108.24-450,019.98-198,737.36

Finding the Fourth Proportional to 326,108.24, 450,019.98 and 198,737.36

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Solution

The fourth proportional to 326,108.24, 450,019.98 and 198,737.36 is: 274,251.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,108.24 : 450,019.98 = 198,737.36 : x
  2. Step 2: Convert to fraction form
    326,108.24/450,019.98 = 198,737.36/x
  3. Step 3: Cross multiply
    326,108.24x = 450,019.98 × 198,737.36
  4. Step 4: Simplify right side
    326,108.24x = 89,435,782,772.45
  5. Step 5: Solve for x
    x = 89,435,782,772.45/326,108.24
  6. Step 6: Final answer
    x = 274,251.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.