Home / 214,985.24-322,478.22-81,834.92

Finding the Fourth Proportional to 214,985.24, 322,478.22 and 81,834.92

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Solution

The fourth proportional to 214,985.24, 322,478.22 and 81,834.92 is: 122,752.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,985.24 : 322,478.22 = 81,834.92 : x
  2. Step 2: Convert to fraction form
    214,985.24/322,478.22 = 81,834.92/x
  3. Step 3: Cross multiply
    214,985.24x = 322,478.22 × 81,834.92
  4. Step 4: Simplify right side
    214,985.24x = 26,389,979,335.44
  5. Step 5: Solve for x
    x = 26,389,979,335.44/214,985.24
  6. Step 6: Final answer
    x = 122,752.52

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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.