Home / 755,186.30-1,132,816.77-215,522.10

Finding the Fourth Proportional to 755,186.30, 1,132,816.77 and 215,522.10

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Solution

The fourth proportional to 755,186.30, 1,132,816.77 and 215,522.10 is: 323,293.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,186.30 : 1,132,816.77 = 215,522.10 : x
  2. Step 2: Convert to fraction form
    755,186.30/1,132,816.77 = 215,522.10/x
  3. Step 3: Cross multiply
    755,186.30x = 1,132,816.77 × 215,522.10
  4. Step 4: Simplify right side
    755,186.30x = 244,147,049,185.62
  5. Step 5: Solve for x
    x = 244,147,049,185.62/755,186.30
  6. Step 6: Final answer
    x = 323,293.80

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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.