Home / 272,610.77-376,221.11-165,191.40

Finding the Fourth Proportional to 272,610.77, 376,221.11 and 165,191.40

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Solution

The fourth proportional to 272,610.77, 376,221.11 and 165,191.40 is: 227,975.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,610.77 : 376,221.11 = 165,191.40 : x
  2. Step 2: Convert to fraction form
    272,610.77/376,221.11 = 165,191.40/x
  3. Step 3: Cross multiply
    272,610.77x = 376,221.11 × 165,191.40
  4. Step 4: Simplify right side
    272,610.77x = 62,148,491,044.50
  5. Step 5: Solve for x
    x = 62,148,491,044.50/272,610.77
  6. Step 6: Final answer
    x = 227,975.19

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1.5x scale

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.