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Finding the Fourth Proportional to 340,604.82, 509,792.67 and 250,623.54

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Solution

The fourth proportional to 340,604.82, 509,792.67 and 250,623.54 is: 375,115.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,604.82 : 509,792.67 = 250,623.54 : x
  2. Step 2: Convert to fraction form
    340,604.82/509,792.67 = 250,623.54/x
  3. Step 3: Cross multiply
    340,604.82x = 509,792.67 × 250,623.54
  4. Step 4: Simplify right side
    340,604.82x = 127,766,043,621.45
  5. Step 5: Solve for x
    x = 127,766,043,621.45/340,604.82
  6. Step 6: Final answer
    x = 375,115.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.