Home / 254,820.45-382,232.99-77,327.47

Finding the Fourth Proportional to 254,820.45, 382,232.99 and 77,327.47

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Solution

The fourth proportional to 254,820.45, 382,232.99 and 77,327.47 is: 115,991.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,820.45 : 382,232.99 = 77,327.47 : x
  2. Step 2: Convert to fraction form
    254,820.45/382,232.99 = 77,327.47/x
  3. Step 3: Cross multiply
    254,820.45x = 382,232.99 × 77,327.47
  4. Step 4: Simplify right side
    254,820.45x = 29,557,110,067.24
  5. Step 5: Solve for x
    x = 29,557,110,067.24/254,820.45
  6. Step 6: Final answer
    x = 115,991.91

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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.