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Finding the Fourth Proportional to 200,324.04, 300,509.80 and 125,450.40

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Solution

The fourth proportional to 200,324.04, 300,509.80 and 125,450.40 is: 188,190.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,324.04 : 300,509.80 = 125,450.40 : x
  2. Step 2: Convert to fraction form
    200,324.04/300,509.80 = 125,450.40/x
  3. Step 3: Cross multiply
    200,324.04x = 300,509.80 × 125,450.40
  4. Step 4: Simplify right side
    200,324.04x = 37,699,074,613.92
  5. Step 5: Solve for x
    x = 37,699,074,613.92/200,324.04
  6. Step 6: Final answer
    x = 188,190.47

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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.