Home / 311,851.20-466,979.76-171,455.52

Finding the Fourth Proportional to 311,851.20, 466,979.76 and 171,455.52

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Solution

The fourth proportional to 311,851.20, 466,979.76 and 171,455.52 is: 256,745.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,851.20 : 466,979.76 = 171,455.52 : x
  2. Step 2: Convert to fraction form
    311,851.20/466,979.76 = 171,455.52/x
  3. Step 3: Cross multiply
    311,851.20x = 466,979.76 × 171,455.52
  4. Step 4: Simplify right side
    311,851.20x = 80,066,257,580.28
  5. Step 5: Solve for x
    x = 80,066,257,580.28/311,851.20
  6. Step 6: Final answer
    x = 256,745.07

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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.