Home / 384,286.20-530,292.96-214,531.08

Finding the Fourth Proportional to 384,286.20, 530,292.96 and 214,531.08

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Solution

The fourth proportional to 384,286.20, 530,292.96 and 214,531.08 is: 296,040.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,286.20 : 530,292.96 = 214,531.08 : x
  2. Step 2: Convert to fraction form
    384,286.20/530,292.96 = 214,531.08/x
  3. Step 3: Cross multiply
    384,286.20x = 530,292.96 × 214,531.08
  4. Step 4: Simplify right side
    384,286.20x = 113,764,321,425.20
  5. Step 5: Solve for x
    x = 113,764,321,425.20/384,286.20
  6. Step 6: Final answer
    x = 296,040.61

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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.