Home / 259,829.94-358,558.34-145,105.40

Finding the Fourth Proportional to 259,829.94, 358,558.34 and 145,105.40

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Solution

The fourth proportional to 259,829.94, 358,558.34 and 145,105.40 is: 200,241.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,829.94 : 358,558.34 = 145,105.40 : x
  2. Step 2: Convert to fraction form
    259,829.94/358,558.34 = 145,105.40/x
  3. Step 3: Cross multiply
    259,829.94x = 358,558.34 × 145,105.40
  4. Step 4: Simplify right side
    259,829.94x = 52,028,751,349.04
  5. Step 5: Solve for x
    x = 52,028,751,349.04/259,829.94
  6. Step 6: Final answer
    x = 200,241.56

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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.