Home / 214,857.27-320,708.76-199,023.39

Finding the Fourth Proportional to 214,857.27, 320,708.76 and 199,023.39

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Solution

The fourth proportional to 214,857.27, 320,708.76 and 199,023.39 is: 297,074.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,857.27 : 320,708.76 = 199,023.39 : x
  2. Step 2: Convert to fraction form
    214,857.27/320,708.76 = 199,023.39/x
  3. Step 3: Cross multiply
    214,857.27x = 320,708.76 × 199,023.39
  4. Step 4: Simplify right side
    214,857.27x = 63,828,544,617.90
  5. Step 5: Solve for x
    x = 63,828,544,617.90/214,857.27
  6. Step 6: Final answer
    x = 297,074.17

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.