Home / 438,289.11-657,837.79-222,299.44

Finding the Fourth Proportional to 438,289.11, 657,837.79 and 222,299.44

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Solution

The fourth proportional to 438,289.11, 657,837.79 and 222,299.44 is: 333,654.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,289.11 : 657,837.79 = 222,299.44 : x
  2. Step 2: Convert to fraction form
    438,289.11/657,837.79 = 222,299.44/x
  3. Step 3: Cross multiply
    438,289.11x = 657,837.79 × 222,299.44
  4. Step 4: Simplify right side
    438,289.11x = 146,236,970,127.50
  5. Step 5: Solve for x
    x = 146,236,970,127.50/438,289.11
  6. Step 6: Final answer
    x = 333,654.13

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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.