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Finding the Fourth Proportional to 394,616.67, 544,437.75 and 224,730.51

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Solution

The fourth proportional to 394,616.67, 544,437.75 and 224,730.51 is: 310,052.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,616.67 : 544,437.75 = 224,730.51 : x
  2. Step 2: Convert to fraction form
    394,616.67/544,437.75 = 224,730.51/x
  3. Step 3: Cross multiply
    394,616.67x = 544,437.75 × 224,730.51
  4. Step 4: Simplify right side
    394,616.67x = 122,351,773,220.75
  5. Step 5: Solve for x
    x = 122,351,773,220.75/394,616.67
  6. Step 6: Final answer
    x = 310,052.22

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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.