Home / 223,315.29-334,967.40-54,834.21

Finding the Fourth Proportional to 223,315.29, 334,967.40 and 54,834.21

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Solution

The fourth proportional to 223,315.29, 334,967.40 and 54,834.21 is: 82,249.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,315.29 : 334,967.40 = 54,834.21 : x
  2. Step 2: Convert to fraction form
    223,315.29/334,967.40 = 54,834.21/x
  3. Step 3: Cross multiply
    223,315.29x = 334,967.40 × 54,834.21
  4. Step 4: Simplify right side
    223,315.29x = 18,367,672,754.75
  5. Step 5: Solve for x
    x = 18,367,672,754.75/223,315.29
  6. Step 6: Final answer
    x = 82,249.96

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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.