Home / 366,452.20-505,724.81-205,359.15

Finding the Fourth Proportional to 366,452.20, 505,724.81 and 205,359.15

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Solution

The fourth proportional to 366,452.20, 505,724.81 and 205,359.15 is: 283,407.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,452.20 : 505,724.81 = 205,359.15 : x
  2. Step 2: Convert to fraction form
    366,452.20/505,724.81 = 205,359.15/x
  3. Step 3: Cross multiply
    366,452.20x = 505,724.81 × 205,359.15
  4. Step 4: Simplify right side
    366,452.20x = 103,855,217,115.51
  5. Step 5: Solve for x
    x = 103,855,217,115.51/366,452.20
  6. Step 6: Final answer
    x = 283,407.27

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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.