Home / 505,735.98-758,633.19-190,195.62

Finding the Fourth Proportional to 505,735.98, 758,633.19 and 190,195.62

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Solution

The fourth proportional to 505,735.98, 758,633.19 and 190,195.62 is: 285,304.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,735.98 : 758,633.19 = 190,195.62 : x
  2. Step 2: Convert to fraction form
    505,735.98/758,633.19 = 190,195.62/x
  3. Step 3: Cross multiply
    505,735.98x = 758,633.19 × 190,195.62
  4. Step 4: Simplify right side
    505,735.98x = 144,288,709,924.63
  5. Step 5: Solve for x
    x = 144,288,709,924.63/505,735.98
  6. Step 6: Final answer
    x = 285,304.42

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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.