Home / 213,999.48-321,000.82-56,227.64

Finding the Fourth Proportional to 213,999.48, 321,000.82 and 56,227.64

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Solution

The fourth proportional to 213,999.48, 321,000.82 and 56,227.64 is: 84,341.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,999.48 : 321,000.82 = 56,227.64 : x
  2. Step 2: Convert to fraction form
    213,999.48/321,000.82 = 56,227.64/x
  3. Step 3: Cross multiply
    213,999.48x = 321,000.82 × 56,227.64
  4. Step 4: Simplify right side
    213,999.48x = 18,049,118,546.66
  5. Step 5: Solve for x
    x = 18,049,118,546.66/213,999.48
  6. Step 6: Final answer
    x = 84,341.88

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1.5x scale

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.