Home / 209,648.18-314,468.46-51,876.65

Finding the Fourth Proportional to 209,648.18, 314,468.46 and 51,876.65

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Solution

The fourth proportional to 209,648.18, 314,468.46 and 51,876.65 is: 77,814.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,648.18 : 314,468.46 = 51,876.65 : x
  2. Step 2: Convert to fraction form
    209,648.18/314,468.46 = 51,876.65/x
  3. Step 3: Cross multiply
    209,648.18x = 314,468.46 × 51,876.65
  4. Step 4: Simplify right side
    209,648.18x = 16,313,568,663.12
  5. Step 5: Solve for x
    x = 16,313,568,663.12/209,648.18
  6. Step 6: Final answer
    x = 77,814.03

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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.