Home / 217,844.51-300,626.61-122,351.21

Finding the Fourth Proportional to 217,844.51, 300,626.61 and 122,351.21

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Solution

The fourth proportional to 217,844.51, 300,626.61 and 122,351.21 is: 168,845.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,844.51 : 300,626.61 = 122,351.21 : x
  2. Step 2: Convert to fraction form
    217,844.51/300,626.61 = 122,351.21/x
  3. Step 3: Cross multiply
    217,844.51x = 300,626.61 × 122,351.21
  4. Step 4: Simplify right side
    217,844.51x = 36,782,028,657.10
  5. Step 5: Solve for x
    x = 36,782,028,657.10/217,844.51
  6. Step 6: Final answer
    x = 168,845.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.