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Finding the Fourth Proportional to 377,622.72, 521,169.12 and 226,729.44

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Solution

The fourth proportional to 377,622.72, 521,169.12 and 226,729.44 is: 312,916.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,622.72 : 521,169.12 = 226,729.44 : x
  2. Step 2: Convert to fraction form
    377,622.72/521,169.12 = 226,729.44/x
  3. Step 3: Cross multiply
    377,622.72x = 521,169.12 × 226,729.44
  4. Step 4: Simplify right side
    377,622.72x = 118,164,382,722.89
  5. Step 5: Solve for x
    x = 118,164,382,722.89/377,622.72
  6. Step 6: Final answer
    x = 312,916.51

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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.