Home / 345,743.73-477,131.45-192,777.39

Finding the Fourth Proportional to 345,743.73, 477,131.45 and 192,777.39

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Solution

The fourth proportional to 345,743.73, 477,131.45 and 192,777.39 is: 266,035.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,743.73 : 477,131.45 = 192,777.39 : x
  2. Step 2: Convert to fraction form
    345,743.73/477,131.45 = 192,777.39/x
  3. Step 3: Cross multiply
    345,743.73x = 477,131.45 × 192,777.39
  4. Step 4: Simplify right side
    345,743.73x = 91,980,154,654.03
  5. Step 5: Solve for x
    x = 91,980,154,654.03/345,743.73
  6. Step 6: Final answer
    x = 266,035.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.