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Finding the Fourth Proportional to 366,991.35, 550,487.03 and 157,039.35

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Solution

The fourth proportional to 366,991.35, 550,487.03 and 157,039.35 is: 235,559.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,991.35 : 550,487.03 = 157,039.35 : x
  2. Step 2: Convert to fraction form
    366,991.35/550,487.03 = 157,039.35/x
  3. Step 3: Cross multiply
    366,991.35x = 550,487.03 × 157,039.35
  4. Step 4: Simplify right side
    366,991.35x = 86,448,124,589.43
  5. Step 5: Solve for x
    x = 86,448,124,589.43/366,991.35
  6. Step 6: Final answer
    x = 235,559.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.