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Finding the Fourth Proportional to 349,797.80, 482,792.66 and 222,448.76

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Solution

The fourth proportional to 349,797.80, 482,792.66 and 222,448.76 is: 307,024.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,797.80 : 482,792.66 = 222,448.76 : x
  2. Step 2: Convert to fraction form
    349,797.80/482,792.66 = 222,448.76/x
  3. Step 3: Cross multiply
    349,797.80x = 482,792.66 × 222,448.76
  4. Step 4: Simplify right side
    349,797.80x = 107,396,628,554.10
  5. Step 5: Solve for x
    x = 107,396,628,554.10/349,797.80
  6. Step 6: Final answer
    x = 307,024.88

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1.5x scale

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.