Home / 379,055.26-522,473.30-268,711.50

Finding the Fourth Proportional to 379,055.26, 522,473.30 and 268,711.50

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Solution

The fourth proportional to 379,055.26, 522,473.30 and 268,711.50 is: 370,380.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,055.26 : 522,473.30 = 268,711.50 : x
  2. Step 2: Convert to fraction form
    379,055.26/522,473.30 = 268,711.50/x
  3. Step 3: Cross multiply
    379,055.26x = 522,473.30 × 268,711.50
  4. Step 4: Simplify right side
    379,055.26x = 140,394,584,152.95
  5. Step 5: Solve for x
    x = 140,394,584,152.95/379,055.26
  6. Step 6: Final answer
    x = 370,380.26

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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.