Home / 214,908.90-322,363.35-57,153.30

Finding the Fourth Proportional to 214,908.90, 322,363.35 and 57,153.30

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Solution

The fourth proportional to 214,908.90, 322,363.35 and 57,153.30 is: 85,729.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,908.90 : 322,363.35 = 57,153.30 : x
  2. Step 2: Convert to fraction form
    214,908.90/322,363.35 = 57,153.30/x
  3. Step 3: Cross multiply
    214,908.90x = 322,363.35 × 57,153.30
  4. Step 4: Simplify right side
    214,908.90x = 18,424,129,251.56
  5. Step 5: Solve for x
    x = 18,424,129,251.56/214,908.90
  6. Step 6: Final answer
    x = 85,729.95

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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.