Home / 345,996.02-477,486.29-200,790.56

Finding the Fourth Proportional to 345,996.02, 477,486.29 and 200,790.56

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Solution

The fourth proportional to 345,996.02, 477,486.29 and 200,790.56 is: 277,097.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,996.02 : 477,486.29 = 200,790.56 : x
  2. Step 2: Convert to fraction form
    345,996.02/477,486.29 = 200,790.56/x
  3. Step 3: Cross multiply
    345,996.02x = 477,486.29 × 200,790.56
  4. Step 4: Simplify right side
    345,996.02x = 95,874,741,257.11
  5. Step 5: Solve for x
    x = 95,874,741,257.11/345,996.02
  6. Step 6: Final answer
    x = 277,097.81

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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.