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Finding the Fourth Proportional to 491,151.91, 736,850.48 and 171,308.37

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Solution

The fourth proportional to 491,151.91, 736,850.48 and 171,308.37 is: 257,005.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,151.91 : 736,850.48 = 171,308.37 : x
  2. Step 2: Convert to fraction form
    491,151.91/736,850.48 = 171,308.37/x
  3. Step 3: Cross multiply
    491,151.91x = 736,850.48 × 171,308.37
  4. Step 4: Simplify right side
    491,151.91x = 126,228,654,662.52
  5. Step 5: Solve for x
    x = 126,228,654,662.52/491,151.91
  6. Step 6: Final answer
    x = 257,005.32

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1.5x scale

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.