Home / 279,084.90-385,132.77-151,759.38

Finding the Fourth Proportional to 279,084.90, 385,132.77 and 151,759.38

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Solution

The fourth proportional to 279,084.90, 385,132.77 and 151,759.38 is: 209,425.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,084.90 : 385,132.77 = 151,759.38 : x
  2. Step 2: Convert to fraction form
    279,084.90/385,132.77 = 151,759.38/x
  3. Step 3: Cross multiply
    279,084.90x = 385,132.77 × 151,759.38
  4. Step 4: Simplify right side
    279,084.90x = 58,447,510,392.88
  5. Step 5: Solve for x
    x = 58,447,510,392.88/279,084.90
  6. Step 6: Final answer
    x = 209,425.56

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1.5x scale

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.