Home / 330,291.36-455,804.44-179,388.36

Finding the Fourth Proportional to 330,291.36, 455,804.44 and 179,388.36

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Solution

The fourth proportional to 330,291.36, 455,804.44 and 179,388.36 is: 247,557.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,291.36 : 455,804.44 = 179,388.36 : x
  2. Step 2: Convert to fraction form
    330,291.36/455,804.44 = 179,388.36/x
  3. Step 3: Cross multiply
    330,291.36x = 455,804.44 × 179,388.36
  4. Step 4: Simplify right side
    330,291.36x = 81,766,010,972.32
  5. Step 5: Solve for x
    x = 81,766,010,972.32/330,291.36
  6. Step 6: Final answer
    x = 247,557.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.