Home / 501,387.09-752,310.30-217,164.57

Finding the Fourth Proportional to 501,387.09, 752,310.30 and 217,164.57

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Solution

The fourth proportional to 501,387.09, 752,310.30 and 217,164.57 is: 325,846.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,387.09 : 752,310.30 = 217,164.57 : x
  2. Step 2: Convert to fraction form
    501,387.09/752,310.30 = 217,164.57/x
  3. Step 3: Cross multiply
    501,387.09x = 752,310.30 × 217,164.57
  4. Step 4: Simplify right side
    501,387.09x = 163,375,137,958.70
  5. Step 5: Solve for x
    x = 163,375,137,958.70/501,387.09
  6. Step 6: Final answer
    x = 325,846.32

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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.