Home / 564,131.39-846,321.66-209,145.44

Finding the Fourth Proportional to 564,131.39, 846,321.66 and 209,145.44

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Solution

The fourth proportional to 564,131.39, 846,321.66 and 209,145.44 is: 313,764.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,131.39 : 846,321.66 = 209,145.44 : x
  2. Step 2: Convert to fraction form
    564,131.39/846,321.66 = 209,145.44/x
  3. Step 3: Cross multiply
    564,131.39x = 846,321.66 × 209,145.44
  4. Step 4: Simplify right side
    564,131.39x = 177,004,318,078.04
  5. Step 5: Solve for x
    x = 177,004,318,078.04/564,131.39
  6. Step 6: Final answer
    x = 313,764.35

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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.