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Finding the Fourth Proportional to 375,676.66, 518,455.01 and 222,805.36

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Solution

The fourth proportional to 375,676.66, 518,455.01 and 222,805.36 is: 307,483.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,676.66 : 518,455.01 = 222,805.36 : x
  2. Step 2: Convert to fraction form
    375,676.66/518,455.01 = 222,805.36/x
  3. Step 3: Cross multiply
    375,676.66x = 518,455.01 × 222,805.36
  4. Step 4: Simplify right side
    375,676.66x = 115,514,552,736.69
  5. Step 5: Solve for x
    x = 115,514,552,736.69/375,676.66
  6. Step 6: Final answer
    x = 307,483.98

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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.