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Finding the Fourth Proportional to 377,554.57, 565,667.42 and 355,079.09

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Solution

The fourth proportional to 377,554.57, 565,667.42 and 355,079.09 is: 531,993.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,554.57 : 565,667.42 = 355,079.09 : x
  2. Step 2: Convert to fraction form
    377,554.57/565,667.42 = 355,079.09/x
  3. Step 3: Cross multiply
    377,554.57x = 565,667.42 × 355,079.09
  4. Step 4: Simplify right side
    377,554.57x = 200,856,672,375.02
  5. Step 5: Solve for x
    x = 200,856,672,375.02/377,554.57
  6. Step 6: Final answer
    x = 531,993.76

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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.