Home / 272,815.44-376,504.22-165,390

Finding the Fourth Proportional to 272,815.44, 376,504.22 and 165,390

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Solution

The fourth proportional to 272,815.44, 376,504.22 and 165,390 is: 228,249.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,815.44 : 376,504.22 = 165,390 : x
  2. Step 2: Convert to fraction form
    272,815.44/376,504.22 = 165,390/x
  3. Step 3: Cross multiply
    272,815.44x = 376,504.22 × 165,390
  4. Step 4: Simplify right side
    272,815.44x = 62,270,032,945.80
  5. Step 5: Solve for x
    x = 62,270,032,945.80/272,815.44
  6. Step 6: Final answer
    x = 228,249.67

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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.