Home / 302,121.72-453,305.52-194,171.94

Finding the Fourth Proportional to 302,121.72, 453,305.52 and 194,171.94

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Solution

The fourth proportional to 302,121.72, 453,305.52 and 194,171.94 is: 291,336.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,121.72 : 453,305.52 = 194,171.94 : x
  2. Step 2: Convert to fraction form
    302,121.72/453,305.52 = 194,171.94/x
  3. Step 3: Cross multiply
    302,121.72x = 453,305.52 × 194,171.94
  4. Step 4: Simplify right side
    302,121.72x = 88,019,212,231.11
  5. Step 5: Solve for x
    x = 88,019,212,231.11/302,121.72
  6. Step 6: Final answer
    x = 291,336.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.