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Finding the Fourth Proportional to 484,439.67, 726,927.08 and 200,064.06

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Solution

The fourth proportional to 484,439.67, 726,927.08 and 200,064.06 is: 300,206.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,439.67 : 726,927.08 = 200,064.06 : x
  2. Step 2: Convert to fraction form
    484,439.67/726,927.08 = 200,064.06/x
  3. Step 3: Cross multiply
    484,439.67x = 726,927.08 × 200,064.06
  4. Step 4: Simplify right side
    484,439.67x = 145,431,981,948.43
  5. Step 5: Solve for x
    x = 145,431,981,948.43/484,439.67
  6. Step 6: Final answer
    x = 300,206.59

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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.