Home / 254,740.68-381,962.79-187,313.04

Finding the Fourth Proportional to 254,740.68, 381,962.79 and 187,313.04

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Solution

The fourth proportional to 254,740.68, 381,962.79 and 187,313.04 is: 280,860.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,740.68 : 381,962.79 = 187,313.04 : x
  2. Step 2: Convert to fraction form
    254,740.68/381,962.79 = 187,313.04/x
  3. Step 3: Cross multiply
    254,740.68x = 381,962.79 × 187,313.04
  4. Step 4: Simplify right side
    254,740.68x = 71,546,611,361.78
  5. Step 5: Solve for x
    x = 71,546,611,361.78/254,740.68
  6. Step 6: Final answer
    x = 280,860.57

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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.