Home / 272,621.52-376,198.74-170,642.52

Finding the Fourth Proportional to 272,621.52, 376,198.74 and 170,642.52

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Solution

The fourth proportional to 272,621.52, 376,198.74 and 170,642.52 is: 235,474.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,621.52 : 376,198.74 = 170,642.52 : x
  2. Step 2: Convert to fraction form
    272,621.52/376,198.74 = 170,642.52/x
  3. Step 3: Cross multiply
    272,621.52x = 376,198.74 × 170,642.52
  4. Step 4: Simplify right side
    272,621.52x = 64,195,501,014.42
  5. Step 5: Solve for x
    x = 64,195,501,014.42/272,621.52
  6. Step 6: Final answer
    x = 235,474.81

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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.