Home / 345,790.30-477,193.33-192,838.36

Finding the Fourth Proportional to 345,790.30, 477,193.33 and 192,838.36

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Solution

The fourth proportional to 345,790.30, 477,193.33 and 192,838.36 is: 266,118.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,790.30 : 477,193.33 = 192,838.36 : x
  2. Step 2: Convert to fraction form
    345,790.30/477,193.33 = 192,838.36/x
  3. Step 3: Cross multiply
    345,790.30x = 477,193.33 × 192,838.36
  4. Step 4: Simplify right side
    345,790.30x = 92,021,179,160.14
  5. Step 5: Solve for x
    x = 92,021,179,160.14/345,790.30
  6. Step 6: Final answer
    x = 266,118.45

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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.