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Finding the Fourth Proportional to 363,396.34, 501,057.81 and 248,730.34

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Solution

The fourth proportional to 363,396.34, 501,057.81 and 248,730.34 is: 342,954.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,396.34 : 501,057.81 = 248,730.34 : x
  2. Step 2: Convert to fraction form
    363,396.34/501,057.81 = 248,730.34/x
  3. Step 3: Cross multiply
    363,396.34x = 501,057.81 × 248,730.34
  4. Step 4: Simplify right side
    363,396.34x = 124,628,279,440.96
  5. Step 5: Solve for x
    x = 124,628,279,440.96/363,396.34
  6. Step 6: Final answer
    x = 342,954.14

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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.