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Finding the Fourth Proportional to 366,711.78, 506,064.08 and 213,855.97

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Solution

The fourth proportional to 366,711.78, 506,064.08 and 213,855.97 is: 295,122.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,711.78 : 506,064.08 = 213,855.97 : x
  2. Step 2: Convert to fraction form
    366,711.78/506,064.08 = 213,855.97/x
  3. Step 3: Cross multiply
    366,711.78x = 506,064.08 × 213,855.97
  4. Step 4: Simplify right side
    366,711.78x = 108,224,824,710.56
  5. Step 5: Solve for x
    x = 108,224,824,710.56/366,711.78
  6. Step 6: Final answer
    x = 295,122.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.