Home / 214,901.30-322,275.39-81,817.49

Finding the Fourth Proportional to 214,901.30, 322,275.39 and 81,817.49

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Solution

The fourth proportional to 214,901.30, 322,275.39 and 81,817.49 is: 122,697.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,901.30 : 322,275.39 = 81,817.49 : x
  2. Step 2: Convert to fraction form
    214,901.30/322,275.39 = 81,817.49/x
  3. Step 3: Cross multiply
    214,901.30x = 322,275.39 × 81,817.49
  4. Step 4: Simplify right side
    214,901.30x = 26,367,761,887.19
  5. Step 5: Solve for x
    x = 26,367,761,887.19/214,901.30
  6. Step 6: Final answer
    x = 122,697.08

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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.