Home / 208,605.15-313,563.83-204,668.55

Finding the Fourth Proportional to 208,605.15, 313,563.83 and 204,668.55

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Solution

The fourth proportional to 208,605.15, 313,563.83 and 204,668.55 is: 307,646.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,605.15 : 313,563.83 = 204,668.55 : x
  2. Step 2: Convert to fraction form
    208,605.15/313,563.83 = 204,668.55/x
  3. Step 3: Cross multiply
    208,605.15x = 313,563.83 × 204,668.55
  4. Step 4: Simplify right side
    208,605.15x = 64,176,653,395.20
  5. Step 5: Solve for x
    x = 64,176,653,395.20/208,605.15
  6. Step 6: Final answer
    x = 307,646.54

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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.