Home / 254,904.89-381,525.63-187,419.03

Finding the Fourth Proportional to 254,904.89, 381,525.63 and 187,419.03

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Solution

The fourth proportional to 254,904.89, 381,525.63 and 187,419.03 is: 280,517.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,904.89 : 381,525.63 = 187,419.03 : x
  2. Step 2: Convert to fraction form
    254,904.89/381,525.63 = 187,419.03/x
  3. Step 3: Cross multiply
    254,904.89x = 381,525.63 × 187,419.03
  4. Step 4: Simplify right side
    254,904.89x = 71,505,163,494.74
  5. Step 5: Solve for x
    x = 71,505,163,494.74/254,904.89
  6. Step 6: Final answer
    x = 280,517.04

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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.