Home / 551,126.13-826,741.47-214,192.80

Finding the Fourth Proportional to 551,126.13, 826,741.47 and 214,192.80

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Solution

The fourth proportional to 551,126.13, 826,741.47 and 214,192.80 is: 321,309.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,126.13 : 826,741.47 = 214,192.80 : x
  2. Step 2: Convert to fraction form
    551,126.13/826,741.47 = 214,192.80/x
  3. Step 3: Cross multiply
    551,126.13x = 826,741.47 × 214,192.80
  4. Step 4: Simplify right side
    551,126.13x = 177,082,070,335.42
  5. Step 5: Solve for x
    x = 177,082,070,335.42/551,126.13
  6. Step 6: Final answer
    x = 321,309.52

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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.