Home / 217,120.56-326,179.80-154,097.16

Finding the Fourth Proportional to 217,120.56, 326,179.80 and 154,097.16

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Solution

The fourth proportional to 217,120.56, 326,179.80 and 154,097.16 is: 231,499.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,120.56 : 326,179.80 = 154,097.16 : x
  2. Step 2: Convert to fraction form
    217,120.56/326,179.80 = 154,097.16/x
  3. Step 3: Cross multiply
    217,120.56x = 326,179.80 × 154,097.16
  4. Step 4: Simplify right side
    217,120.56x = 50,263,380,829.37
  5. Step 5: Solve for x
    x = 50,263,380,829.37/217,120.56
  6. Step 6: Final answer
    x = 231,499.87

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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.