Home / 272,811.85-376,420.97-165,408.28

Finding the Fourth Proportional to 272,811.85, 376,420.97 and 165,408.28

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Solution

The fourth proportional to 272,811.85, 376,420.97 and 165,408.28 is: 228,227.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,811.85 : 376,420.97 = 165,408.28 : x
  2. Step 2: Convert to fraction form
    272,811.85/376,420.97 = 165,408.28/x
  3. Step 3: Cross multiply
    272,811.85x = 376,420.97 × 165,408.28
  4. Step 4: Simplify right side
    272,811.85x = 62,263,144,676.10
  5. Step 5: Solve for x
    x = 62,263,144,676.10/272,811.85
  6. Step 6: Final answer
    x = 228,227.42

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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.