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Finding the Fourth Proportional to 271,552.65, 407,339.91 and 129,324.75

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Solution

The fourth proportional to 271,552.65, 407,339.91 and 129,324.75 is: 193,992.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,552.65 : 407,339.91 = 129,324.75 : x
  2. Step 2: Convert to fraction form
    271,552.65/407,339.91 = 129,324.75/x
  3. Step 3: Cross multiply
    271,552.65x = 407,339.91 × 129,324.75
  4. Step 4: Simplify right side
    271,552.65x = 52,679,132,025.77
  5. Step 5: Solve for x
    x = 52,679,132,025.77/271,552.65
  6. Step 6: Final answer
    x = 193,992.33

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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.