Home / 217,450.37-300,096.50-121,963.22

Finding the Fourth Proportional to 217,450.37, 300,096.50 and 121,963.22

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Solution

The fourth proportional to 217,450.37, 300,096.50 and 121,963.22 is: 168,317.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,450.37 : 300,096.50 = 121,963.22 : x
  2. Step 2: Convert to fraction form
    217,450.37/300,096.50 = 121,963.22/x
  3. Step 3: Cross multiply
    217,450.37x = 300,096.50 × 121,963.22
  4. Step 4: Simplify right side
    217,450.37x = 36,600,734,465.79
  5. Step 5: Solve for x
    x = 36,600,734,465.79/217,450.37
  6. Step 6: Final answer
    x = 168,317.64

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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.