Home / 214,175.14-321,278.49-56,402.50

Finding the Fourth Proportional to 214,175.14, 321,278.49 and 56,402.50

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Solution

The fourth proportional to 214,175.14, 321,278.49 and 56,402.50 is: 84,607.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,175.14 : 321,278.49 = 56,402.50 : x
  2. Step 2: Convert to fraction form
    214,175.14/321,278.49 = 56,402.50/x
  3. Step 3: Cross multiply
    214,175.14x = 321,278.49 × 56,402.50
  4. Step 4: Simplify right side
    214,175.14x = 18,120,910,032.23
  5. Step 5: Solve for x
    x = 18,120,910,032.23/214,175.14
  6. Step 6: Final answer
    x = 84,607.91

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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.