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Finding the Fourth Proportional to 490,758.66, 736,138.44 and 153,825.66

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Solution

The fourth proportional to 490,758.66, 736,138.44 and 153,825.66 is: 230,738.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,758.66 : 736,138.44 = 153,825.66 : x
  2. Step 2: Convert to fraction form
    490,758.66/736,138.44 = 153,825.66/x
  3. Step 3: Cross multiply
    490,758.66x = 736,138.44 × 153,825.66
  4. Step 4: Simplify right side
    490,758.66x = 113,236,981,384.37
  5. Step 5: Solve for x
    x = 113,236,981,384.37/490,758.66
  6. Step 6: Final answer
    x = 230,738.63

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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.