Home / 221,465.55-331,323.53-192,208.35

Finding the Fourth Proportional to 221,465.55, 331,323.53 and 192,208.35

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Solution

The fourth proportional to 221,465.55, 331,323.53 and 192,208.35 is: 287,553.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,465.55 : 331,323.53 = 192,208.35 : x
  2. Step 2: Convert to fraction form
    221,465.55/331,323.53 = 192,208.35/x
  3. Step 3: Cross multiply
    221,465.55x = 331,323.53 × 192,208.35
  4. Step 4: Simplify right side
    221,465.55x = 63,683,148,056.43
  5. Step 5: Solve for x
    x = 63,683,148,056.43/221,465.55
  6. Step 6: Final answer
    x = 287,553.29

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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.