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Finding the Fourth Proportional to 490,805.92, 736,187.46 and 153,838.88

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Solution

The fourth proportional to 490,805.92, 736,187.46 and 153,838.88 is: 230,751.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,805.92 : 736,187.46 = 153,838.88 : x
  2. Step 2: Convert to fraction form
    490,805.92/736,187.46 = 153,838.88/x
  3. Step 3: Cross multiply
    490,805.92x = 736,187.46 × 153,838.88
  4. Step 4: Simplify right side
    490,805.92x = 113,254,255,065.01
  5. Step 5: Solve for x
    x = 113,254,255,065.01/490,805.92
  6. Step 6: Final answer
    x = 230,751.61

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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.