Home / 217,844.37-300,626.43-122,351.08

Finding the Fourth Proportional to 217,844.37, 300,626.43 and 122,351.08

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Solution

The fourth proportional to 217,844.37, 300,626.43 and 122,351.08 is: 168,845.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,844.37 : 300,626.43 = 122,351.08 : x
  2. Step 2: Convert to fraction form
    217,844.37/300,626.43 = 122,351.08/x
  3. Step 3: Cross multiply
    217,844.37x = 300,626.43 × 122,351.08
  4. Step 4: Simplify right side
    217,844.37x = 36,781,968,387.04
  5. Step 5: Solve for x
    x = 36,781,968,387.04/217,844.37
  6. Step 6: Final answer
    x = 168,845.16

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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.