Home / 217,845.37-300,627.81-122,352.08

Finding the Fourth Proportional to 217,845.37, 300,627.81 and 122,352.08

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Solution

The fourth proportional to 217,845.37, 300,627.81 and 122,352.08 is: 168,846.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,845.37 : 300,627.81 = 122,352.08 : x
  2. Step 2: Convert to fraction form
    217,845.37/300,627.81 = 122,352.08/x
  3. Step 3: Cross multiply
    217,845.37x = 300,627.81 × 122,352.08
  4. Step 4: Simplify right side
    217,845.37x = 36,782,437,859.34
  5. Step 5: Solve for x
    x = 36,782,437,859.34/217,845.37
  6. Step 6: Final answer
    x = 168,846.54

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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.