Home / 254,440.36-381,729.66-76,953.16

Finding the Fourth Proportional to 254,440.36, 381,729.66 and 76,953.16

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Solution

The fourth proportional to 254,440.36, 381,729.66 and 76,953.16 is: 115,450.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,440.36 : 381,729.66 = 76,953.16 : x
  2. Step 2: Convert to fraction form
    254,440.36/381,729.66 = 76,953.16/x
  3. Step 3: Cross multiply
    254,440.36x = 381,729.66 × 76,953.16
  4. Step 4: Simplify right side
    254,440.36x = 29,375,303,602.73
  5. Step 5: Solve for x
    x = 29,375,303,602.73/254,440.36
  6. Step 6: Final answer
    x = 115,450.64

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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.