Home / 215,233.40-322,850.10-57,486.20

Finding the Fourth Proportional to 215,233.40, 322,850.10 and 57,486.20

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Solution

The fourth proportional to 215,233.40, 322,850.10 and 57,486.20 is: 86,229.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,233.40 : 322,850.10 = 57,486.20 : x
  2. Step 2: Convert to fraction form
    215,233.40/322,850.10 = 57,486.20/x
  3. Step 3: Cross multiply
    215,233.40x = 322,850.10 × 57,486.20
  4. Step 4: Simplify right side
    215,233.40x = 18,559,425,418.62
  5. Step 5: Solve for x
    x = 18,559,425,418.62/215,233.40
  6. Step 6: Final answer
    x = 86,229.30

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1.5x scale

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.