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Finding the Fourth Proportional to 200,390.07, 300,585.09 and 50,630.79

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Solution

The fourth proportional to 200,390.07, 300,585.09 and 50,630.79 is: 75,946.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,390.07 : 300,585.09 = 50,630.79 : x
  2. Step 2: Convert to fraction form
    200,390.07/300,585.09 = 50,630.79/x
  3. Step 3: Cross multiply
    200,390.07x = 300,585.09 × 50,630.79
  4. Step 4: Simplify right side
    200,390.07x = 15,218,860,568.92
  5. Step 5: Solve for x
    x = 15,218,860,568.92/200,390.07
  6. Step 6: Final answer
    x = 75,946.18

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1.5x scale

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.