Home / 215,269.03-322,972.73-65,538.30

Finding the Fourth Proportional to 215,269.03, 322,972.73 and 65,538.30

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Solution

The fourth proportional to 215,269.03, 322,972.73 and 65,538.30 is: 98,328.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,269.03 : 322,972.73 = 65,538.30 : x
  2. Step 2: Convert to fraction form
    215,269.03/322,972.73 = 65,538.30/x
  3. Step 3: Cross multiply
    215,269.03x = 322,972.73 × 65,538.30
  4. Step 4: Simplify right side
    215,269.03x = 21,167,083,670.56
  5. Step 5: Solve for x
    x = 21,167,083,670.56/215,269.03
  6. Step 6: Final answer
    x = 98,328.51

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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.