Home / 272,697.18-376,340.20-165,277.40

Finding the Fourth Proportional to 272,697.18, 376,340.20 and 165,277.40

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Solution

The fourth proportional to 272,697.18, 376,340.20 and 165,277.40 is: 228,093.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,697.18 : 376,340.20 = 165,277.40 : x
  2. Step 2: Convert to fraction form
    272,697.18/376,340.20 = 165,277.40/x
  3. Step 3: Cross multiply
    272,697.18x = 376,340.20 × 165,277.40
  4. Step 4: Simplify right side
    272,697.18x = 62,200,529,771.48
  5. Step 5: Solve for x
    x = 62,200,529,771.48/272,697.18
  6. Step 6: Final answer
    x = 228,093.78

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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.