Home / 384,016.12-529,972.31-211,968.25

Finding the Fourth Proportional to 384,016.12, 529,972.31 and 211,968.25

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Solution

The fourth proportional to 384,016.12, 529,972.31 and 211,968.25 is: 292,532.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,016.12 : 529,972.31 = 211,968.25 : x
  2. Step 2: Convert to fraction form
    384,016.12/529,972.31 = 211,968.25/x
  3. Step 3: Cross multiply
    384,016.12x = 529,972.31 × 211,968.25
  4. Step 4: Simplify right side
    384,016.12x = 112,337,304,954.01
  5. Step 5: Solve for x
    x = 112,337,304,954.01/384,016.12
  6. Step 6: Final answer
    x = 292,532.78

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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.