Home / 223,021.09-334,528.72-54,542.87

Finding the Fourth Proportional to 223,021.09, 334,528.72 and 54,542.87

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Solution

The fourth proportional to 223,021.09, 334,528.72 and 54,542.87 is: 81,813.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,021.09 : 334,528.72 = 54,542.87 : x
  2. Step 2: Convert to fraction form
    223,021.09/334,528.72 = 54,542.87/x
  3. Step 3: Cross multiply
    223,021.09x = 334,528.72 × 54,542.87
  4. Step 4: Simplify right side
    223,021.09x = 18,246,156,486.23
  5. Step 5: Solve for x
    x = 18,246,156,486.23/223,021.09
  6. Step 6: Final answer
    x = 81,813.59

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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.