Home / 209,005.48-313,911.60-179,087.32

Finding the Fourth Proportional to 209,005.48, 313,911.60 and 179,087.32

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Solution

The fourth proportional to 209,005.48, 313,911.60 and 179,087.32 is: 268,976.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,005.48 : 313,911.60 = 179,087.32 : x
  2. Step 2: Convert to fraction form
    209,005.48/313,911.60 = 179,087.32/x
  3. Step 3: Cross multiply
    209,005.48x = 313,911.60 × 179,087.32
  4. Step 4: Simplify right side
    209,005.48x = 56,217,587,160.91
  5. Step 5: Solve for x
    x = 56,217,587,160.91/209,005.48
  6. Step 6: Final answer
    x = 268,976.62

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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.