Home / 338,634.62-467,631.93-217,985.28

Finding the Fourth Proportional to 338,634.62, 467,631.93 and 217,985.28

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Solution

The fourth proportional to 338,634.62, 467,631.93 and 217,985.28 is: 301,023.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,634.62 : 467,631.93 = 217,985.28 : x
  2. Step 2: Convert to fraction form
    338,634.62/467,631.93 = 217,985.28/x
  3. Step 3: Cross multiply
    338,634.62x = 467,631.93 × 217,985.28
  4. Step 4: Simplify right side
    338,634.62x = 101,936,876,261.82
  5. Step 5: Solve for x
    x = 101,936,876,261.82/338,634.62
  6. Step 6: Final answer
    x = 301,023.19

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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.