Home / 221,466.55-331,325.02-192,209.35

Finding the Fourth Proportional to 221,466.55, 331,325.02 and 192,209.35

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Solution

The fourth proportional to 221,466.55, 331,325.02 and 192,209.35 is: 287,554.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,466.55 : 331,325.02 = 192,209.35 : x
  2. Step 2: Convert to fraction form
    221,466.55/331,325.02 = 192,209.35/x
  3. Step 3: Cross multiply
    221,466.55x = 331,325.02 × 192,209.35
  4. Step 4: Simplify right side
    221,466.55x = 63,683,766,732.94
  5. Step 5: Solve for x
    x = 63,683,766,732.94/221,466.55
  6. Step 6: Final answer
    x = 287,554.79

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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.