Home / 208,738.08-313,538.36-199,641.52

Finding the Fourth Proportional to 208,738.08, 313,538.36 and 199,641.52

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Solution

The fourth proportional to 208,738.08, 313,538.36 and 199,641.52 is: 299,874.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,738.08 : 313,538.36 = 199,641.52 : x
  2. Step 2: Convert to fraction form
    208,738.08/313,538.36 = 199,641.52/x
  3. Step 3: Cross multiply
    208,738.08x = 313,538.36 × 199,641.52
  4. Step 4: Simplify right side
    208,738.08x = 62,595,272,986.65
  5. Step 5: Solve for x
    x = 62,595,272,986.65/208,738.08
  6. Step 6: Final answer
    x = 299,874.72

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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.