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Finding the Fourth Proportional to 303,571.83, 455,314.97 and 190,908.63

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Solution

The fourth proportional to 303,571.83, 455,314.97 and 190,908.63 is: 286,336.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,571.83 : 455,314.97 = 190,908.63 : x
  2. Step 2: Convert to fraction form
    303,571.83/455,314.97 = 190,908.63/x
  3. Step 3: Cross multiply
    303,571.83x = 455,314.97 × 190,908.63
  4. Step 4: Simplify right side
    303,571.83x = 86,923,556,186.65
  5. Step 5: Solve for x
    x = 86,923,556,186.65/303,571.83
  6. Step 6: Final answer
    x = 286,336.04

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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.