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Finding the Fourth Proportional to 394,598.51, 544,599.27 and 222,551.81

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Solution

The fourth proportional to 394,598.51, 544,599.27 and 222,551.81 is: 307,151.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,598.51 : 544,599.27 = 222,551.81 : x
  2. Step 2: Convert to fraction form
    394,598.51/544,599.27 = 222,551.81/x
  3. Step 3: Cross multiply
    394,598.51x = 544,599.27 × 222,551.81
  4. Step 4: Simplify right side
    394,598.51x = 121,201,550,540.18
  5. Step 5: Solve for x
    x = 121,201,550,540.18/394,598.51
  6. Step 6: Final answer
    x = 307,151.57

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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.