Home / 345,890.30-477,286.16-192,892.64

Finding the Fourth Proportional to 345,890.30, 477,286.16 and 192,892.64

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Solution

The fourth proportional to 345,890.30, 477,286.16 and 192,892.64 is: 266,168.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,890.30 : 477,286.16 = 192,892.64 : x
  2. Step 2: Convert to fraction form
    345,890.30/477,286.16 = 192,892.64/x
  3. Step 3: Cross multiply
    345,890.30x = 477,286.16 × 192,892.64
  4. Step 4: Simplify right side
    345,890.30x = 92,064,984,086.97
  5. Step 5: Solve for x
    x = 92,064,984,086.97/345,890.30
  6. Step 6: Final answer
    x = 266,168.16

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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.