Home / 221,464.55-331,322.03-192,207.35

Finding the Fourth Proportional to 221,464.55, 331,322.03 and 192,207.35

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Solution

The fourth proportional to 221,464.55, 331,322.03 and 192,207.35 is: 287,551.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,464.55 : 331,322.03 = 192,207.35 : x
  2. Step 2: Convert to fraction form
    221,464.55/331,322.03 = 192,207.35/x
  3. Step 3: Cross multiply
    221,464.55x = 331,322.03 × 192,207.35
  4. Step 4: Simplify right side
    221,464.55x = 63,682,528,421.88
  5. Step 5: Solve for x
    x = 63,682,528,421.88/221,464.55
  6. Step 6: Final answer
    x = 287,551.79

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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.