Home / 214,825.80-321,747.84-102,584.64

Finding the Fourth Proportional to 214,825.80, 321,747.84 and 102,584.64

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Solution

The fourth proportional to 214,825.80, 321,747.84 and 102,584.64 is: 153,642.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,825.80 : 321,747.84 = 102,584.64 : x
  2. Step 2: Convert to fraction form
    214,825.80/321,747.84 = 102,584.64/x
  3. Step 3: Cross multiply
    214,825.80x = 321,747.84 × 102,584.64
  4. Step 4: Simplify right side
    214,825.80x = 33,006,386,337.18
  5. Step 5: Solve for x
    x = 33,006,386,337.18/214,825.80
  6. Step 6: Final answer
    x = 153,642.56

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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.