Home / 245,286.96-338,588.52-143,345.64

Finding the Fourth Proportional to 245,286.96, 338,588.52 and 143,345.64

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Solution

The fourth proportional to 245,286.96, 338,588.52 and 143,345.64 is: 197,871.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,286.96 : 338,588.52 = 143,345.64 : x
  2. Step 2: Convert to fraction form
    245,286.96/338,588.52 = 143,345.64/x
  3. Step 3: Cross multiply
    245,286.96x = 338,588.52 × 143,345.64
  4. Step 4: Simplify right side
    245,286.96x = 48,535,188,096.05
  5. Step 5: Solve for x
    x = 48,535,188,096.05/245,286.96
  6. Step 6: Final answer
    x = 197,871.05

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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.