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Finding the Fourth Proportional to 200,535.52, 300,713.34 and 119,520.80

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Solution

The fourth proportional to 200,535.52, 300,713.34 and 119,520.80 is: 179,227.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,535.52 : 300,713.34 = 119,520.80 : x
  2. Step 2: Convert to fraction form
    200,535.52/300,713.34 = 119,520.80/x
  3. Step 3: Cross multiply
    200,535.52x = 300,713.34 × 119,520.80
  4. Step 4: Simplify right side
    200,535.52x = 35,941,498,967.47
  5. Step 5: Solve for x
    x = 35,941,498,967.47/200,535.52
  6. Step 6: Final answer
    x = 179,227.60

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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.