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Finding the Fourth Proportional to 488,037.11, 732,137.66 and 168,175.89

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Solution

The fourth proportional to 488,037.11, 732,137.66 and 168,175.89 is: 252,292.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,037.11 : 732,137.66 = 168,175.89 : x
  2. Step 2: Convert to fraction form
    488,037.11/732,137.66 = 168,175.89/x
  3. Step 3: Cross multiply
    488,037.11x = 732,137.66 × 168,175.89
  4. Step 4: Simplify right side
    488,037.11x = 123,127,901,732.14
  5. Step 5: Solve for x
    x = 123,127,901,732.14/488,037.11
  6. Step 6: Final answer
    x = 252,292.09

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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.