Home / 345,815.30-477,215.61-192,858.14

Finding the Fourth Proportional to 345,815.30, 477,215.61 and 192,858.14

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Solution

The fourth proportional to 345,815.30, 477,215.61 and 192,858.14 is: 266,138.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,815.30 : 477,215.61 = 192,858.14 : x
  2. Step 2: Convert to fraction form
    345,815.30/477,215.61 = 192,858.14/x
  3. Step 3: Cross multiply
    345,815.30x = 477,215.61 × 192,858.14
  4. Step 4: Simplify right side
    345,815.30x = 92,034,914,923.57
  5. Step 5: Solve for x
    x = 92,034,914,923.57/345,815.30
  6. Step 6: Final answer
    x = 266,138.93

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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.