Home / 505,535.16-757,858.44-206,267.70

Finding the Fourth Proportional to 505,535.16, 757,858.44 and 206,267.70

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Solution

The fourth proportional to 505,535.16, 757,858.44 and 206,267.70 is: 309,220.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,535.16 : 757,858.44 = 206,267.70 : x
  2. Step 2: Convert to fraction form
    505,535.16/757,858.44 = 206,267.70/x
  3. Step 3: Cross multiply
    505,535.16x = 757,858.44 × 206,267.70
  4. Step 4: Simplify right side
    505,535.16x = 156,321,717,344.39
  5. Step 5: Solve for x
    x = 156,321,717,344.39/505,535.16
  6. Step 6: Final answer
    x = 309,220.27

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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.