Home / 254,045.03-381,067.72-64,519.61

Finding the Fourth Proportional to 254,045.03, 381,067.72 and 64,519.61

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Solution

The fourth proportional to 254,045.03, 381,067.72 and 64,519.61 is: 96,779.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,045.03 : 381,067.72 = 64,519.61 : x
  2. Step 2: Convert to fraction form
    254,045.03/381,067.72 = 64,519.61/x
  3. Step 3: Cross multiply
    254,045.03x = 381,067.72 × 64,519.61
  4. Step 4: Simplify right side
    254,045.03x = 24,586,338,611.35
  5. Step 5: Solve for x
    x = 24,586,338,611.35/254,045.03
  6. Step 6: Final answer
    x = 96,779.45

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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.