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Finding the Fourth Proportional to 375,481.08, 518,163.82 and 224,613.72

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Solution

The fourth proportional to 375,481.08, 518,163.82 and 224,613.72 is: 309,966.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,481.08 : 518,163.82 = 224,613.72 : x
  2. Step 2: Convert to fraction form
    375,481.08/518,163.82 = 224,613.72/x
  3. Step 3: Cross multiply
    375,481.08x = 518,163.82 × 224,613.72
  4. Step 4: Simplify right side
    375,481.08x = 116,386,703,179.61
  5. Step 5: Solve for x
    x = 116,386,703,179.61/375,481.08
  6. Step 6: Final answer
    x = 309,966.89

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1.5x scale

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.