Home / 366,914.35-550,426.20-130,237.21

Finding the Fourth Proportional to 366,914.35, 550,426.20 and 130,237.21

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Solution

The fourth proportional to 366,914.35, 550,426.20 and 130,237.21 is: 195,375.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,914.35 : 550,426.20 = 130,237.21 : x
  2. Step 2: Convert to fraction form
    366,914.35/550,426.20 = 130,237.21/x
  3. Step 3: Cross multiply
    366,914.35x = 550,426.20 × 130,237.21
  4. Step 4: Simplify right side
    366,914.35x = 71,685,972,598.90
  5. Step 5: Solve for x
    x = 71,685,972,598.90/366,914.35
  6. Step 6: Final answer
    x = 195,375.22

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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.