Home / 314,211.22-433,554.09-205,286.57

Finding the Fourth Proportional to 314,211.22, 433,554.09 and 205,286.57

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Solution

The fourth proportional to 314,211.22, 433,554.09 and 205,286.57 is: 283,257.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,211.22 : 433,554.09 = 205,286.57 : x
  2. Step 2: Convert to fraction form
    314,211.22/433,554.09 = 205,286.57/x
  3. Step 3: Cross multiply
    314,211.22x = 433,554.09 × 205,286.57
  4. Step 4: Simplify right side
    314,211.22x = 89,002,830,733.80
  5. Step 5: Solve for x
    x = 89,002,830,733.80/314,211.22
  6. Step 6: Final answer
    x = 283,257.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.