Home / 366,918.35-550,432.20-130,241.21

Finding the Fourth Proportional to 366,918.35, 550,432.20 and 130,241.21

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Solution

The fourth proportional to 366,918.35, 550,432.20 and 130,241.21 is: 195,381.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,918.35 : 550,432.20 = 130,241.21 : x
  2. Step 2: Convert to fraction form
    366,918.35/550,432.20 = 130,241.21/x
  3. Step 3: Cross multiply
    366,918.35x = 550,432.20 × 130,241.21
  4. Step 4: Simplify right side
    366,918.35x = 71,688,955,750.96
  5. Step 5: Solve for x
    x = 71,688,955,750.96/366,918.35
  6. Step 6: Final answer
    x = 195,381.22

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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.