Home / 206,378.34-309,567.57-136,241.25

Finding the Fourth Proportional to 206,378.34, 309,567.57 and 136,241.25

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Solution

The fourth proportional to 206,378.34, 309,567.57 and 136,241.25 is: 204,361.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,378.34 : 309,567.57 = 136,241.25 : x
  2. Step 2: Convert to fraction form
    206,378.34/309,567.57 = 136,241.25/x
  3. Step 3: Cross multiply
    206,378.34x = 309,567.57 × 136,241.25
  4. Step 4: Simplify right side
    206,378.34x = 42,175,872,696.26
  5. Step 5: Solve for x
    x = 42,175,872,696.26/206,378.34
  6. Step 6: Final answer
    x = 204,361.91

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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.