Home / 377,623.72-521,170.50-226,730.44

Finding the Fourth Proportional to 377,623.72, 521,170.50 and 226,730.44

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Solution

The fourth proportional to 377,623.72, 521,170.50 and 226,730.44 is: 312,917.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,623.72 : 521,170.50 = 226,730.44 : x
  2. Step 2: Convert to fraction form
    377,623.72/521,170.50 = 226,730.44/x
  3. Step 3: Cross multiply
    377,623.72x = 521,170.50 × 226,730.44
  4. Step 4: Simplify right side
    377,623.72x = 118,165,216,780.02
  5. Step 5: Solve for x
    x = 118,165,216,780.02/377,623.72
  6. Step 6: Final answer
    x = 312,917.89

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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.