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Finding the Fourth Proportional to 200,356.20, 300,534.30 and 133,324.65

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Solution

The fourth proportional to 200,356.20, 300,534.30 and 133,324.65 is: 199,986.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,356.20 : 300,534.30 = 133,324.65 : x
  2. Step 2: Convert to fraction form
    200,356.20/300,534.30 = 133,324.65/x
  3. Step 3: Cross multiply
    200,356.20x = 300,534.30 × 133,324.65
  4. Step 4: Simplify right side
    200,356.20x = 40,068,630,360.50
  5. Step 5: Solve for x
    x = 40,068,630,360.50/200,356.20
  6. Step 6: Final answer
    x = 199,986.98

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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.