Home / 214,444.58-321,664.89-54,520.88

Finding the Fourth Proportional to 214,444.58, 321,664.89 and 54,520.88

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Solution

The fourth proportional to 214,444.58, 321,664.89 and 54,520.88 is: 81,780.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,444.58 : 321,664.89 = 54,520.88 : x
  2. Step 2: Convert to fraction form
    214,444.58/321,664.89 = 54,520.88/x
  3. Step 3: Cross multiply
    214,444.58x = 321,664.89 × 54,520.88
  4. Step 4: Simplify right side
    214,444.58x = 17,537,452,867.90
  5. Step 5: Solve for x
    x = 17,537,452,867.90/214,444.58
  6. Step 6: Final answer
    x = 81,780.82

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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.