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Finding the Fourth Proportional to 545,169.94, 752,334.42 and 303,447.31

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Solution

The fourth proportional to 545,169.94, 752,334.42 and 303,447.31 is: 418,757.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,169.94 : 752,334.42 = 303,447.31 : x
  2. Step 2: Convert to fraction form
    545,169.94/752,334.42 = 303,447.31/x
  3. Step 3: Cross multiply
    545,169.94x = 752,334.42 × 303,447.31
  4. Step 4: Simplify right side
    545,169.94x = 228,293,855,969.41
  5. Step 5: Solve for x
    x = 228,293,855,969.41/545,169.94
  6. Step 6: Final answer
    x = 418,757.23

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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.