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Finding the Fourth Proportional to 349,729.68, 482,639.04 and 222,402.48

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Solution

The fourth proportional to 349,729.68, 482,639.04 and 222,402.48 is: 306,923.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,729.68 : 482,639.04 = 222,402.48 : x
  2. Step 2: Convert to fraction form
    349,729.68/482,639.04 = 222,402.48/x
  3. Step 3: Cross multiply
    349,729.68x = 482,639.04 × 222,402.48
  4. Step 4: Simplify right side
    349,729.68x = 107,340,119,440.82
  5. Step 5: Solve for x
    x = 107,340,119,440.82/349,729.68
  6. Step 6: Final answer
    x = 306,923.11

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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.