Home / 214,620.54-321,936.90-56,849.01

Finding the Fourth Proportional to 214,620.54, 321,936.90 and 56,849.01

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Solution

The fourth proportional to 214,620.54, 321,936.90 and 56,849.01 is: 85,275.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,620.54 : 321,936.90 = 56,849.01 : x
  2. Step 2: Convert to fraction form
    214,620.54/321,936.90 = 56,849.01/x
  3. Step 3: Cross multiply
    214,620.54x = 321,936.90 × 56,849.01
  4. Step 4: Simplify right side
    214,620.54x = 18,301,794,047.47
  5. Step 5: Solve for x
    x = 18,301,794,047.47/214,620.54
  6. Step 6: Final answer
    x = 85,275.13

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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.