Home / 490,738.72-736,108.25-153,805.52

Finding the Fourth Proportional to 490,738.72, 736,108.25 and 153,805.52

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Solution

The fourth proportional to 490,738.72, 736,108.25 and 153,805.52 is: 230,708.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,738.72 : 736,108.25 = 153,805.52 : x
  2. Step 2: Convert to fraction form
    490,738.72/736,108.25 = 153,805.52/x
  3. Step 3: Cross multiply
    490,738.72x = 736,108.25 × 153,805.52
  4. Step 4: Simplify right side
    490,738.72x = 113,217,508,487.00
  5. Step 5: Solve for x
    x = 113,217,508,487.00/490,738.72
  6. Step 6: Final answer
    x = 230,708.33

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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.