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Finding the Fourth Proportional to 322,103.72, 483,057.15 and 153,535.23

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Solution

The fourth proportional to 322,103.72, 483,057.15 and 153,535.23 is: 230,255.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,103.72 : 483,057.15 = 153,535.23 : x
  2. Step 2: Convert to fraction form
    322,103.72/483,057.15 = 153,535.23/x
  3. Step 3: Cross multiply
    322,103.72x = 483,057.15 × 153,535.23
  4. Step 4: Simplify right side
    322,103.72x = 74,166,290,628.39
  5. Step 5: Solve for x
    x = 74,166,290,628.39/322,103.72
  6. Step 6: Final answer
    x = 230,255.93

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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.