Home / 379,048.25-522,463.65-268,704.50

Finding the Fourth Proportional to 379,048.25, 522,463.65 and 268,704.50

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Solution

The fourth proportional to 379,048.25, 522,463.65 and 268,704.50 is: 370,370.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,048.25 : 522,463.65 = 268,704.50 : x
  2. Step 2: Convert to fraction form
    379,048.25/522,463.65 = 268,704.50/x
  3. Step 3: Cross multiply
    379,048.25x = 522,463.65 × 268,704.50
  4. Step 4: Simplify right side
    379,048.25x = 140,388,333,841.43
  5. Step 5: Solve for x
    x = 140,388,333,841.43/379,048.25
  6. Step 6: Final answer
    x = 370,370.62

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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.