Home / 221,462.55-331,319.03-192,205.35

Finding the Fourth Proportional to 221,462.55, 331,319.03 and 192,205.35

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Solution

The fourth proportional to 221,462.55, 331,319.03 and 192,205.35 is: 287,548.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,462.55 : 331,319.03 = 192,205.35 : x
  2. Step 2: Convert to fraction form
    221,462.55/331,319.03 = 192,205.35/x
  3. Step 3: Cross multiply
    221,462.55x = 331,319.03 × 192,205.35
  4. Step 4: Simplify right side
    221,462.55x = 63,681,289,161.78
  5. Step 5: Solve for x
    x = 63,681,289,161.78/221,462.55
  6. Step 6: Final answer
    x = 287,548.79

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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.