Home / 252,983.40-379,475.10-214,929.60

Finding the Fourth Proportional to 252,983.40, 379,475.10 and 214,929.60

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Solution

The fourth proportional to 252,983.40, 379,475.10 and 214,929.60 is: 322,394.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,983.40 : 379,475.10 = 214,929.60 : x
  2. Step 2: Convert to fraction form
    252,983.40/379,475.10 = 214,929.60/x
  3. Step 3: Cross multiply
    252,983.40x = 379,475.10 × 214,929.60
  4. Step 4: Simplify right side
    252,983.40x = 81,560,431,452.96
  5. Step 5: Solve for x
    x = 81,560,431,452.96/252,983.40
  6. Step 6: Final answer
    x = 322,394.40

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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.