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Finding the Fourth Proportional to 455,524.38, 683,216.49 and 151,923.87

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Solution

The fourth proportional to 455,524.38, 683,216.49 and 151,923.87 is: 227,862.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,524.38 : 683,216.49 = 151,923.87 : x
  2. Step 2: Convert to fraction form
    455,524.38/683,216.49 = 151,923.87/x
  3. Step 3: Cross multiply
    455,524.38x = 683,216.49 × 151,923.87
  4. Step 4: Simplify right side
    455,524.38x = 103,796,893,208.62
  5. Step 5: Solve for x
    x = 103,796,893,208.62/455,524.38
  6. Step 6: Final answer
    x = 227,862.43

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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.