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Finding the Fourth Proportional to 273,189.96, 377,006.79 and 150,696.40

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Solution

The fourth proportional to 273,189.96, 377,006.79 and 150,696.40 is: 207,963.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,189.96 : 377,006.79 = 150,696.40 : x
  2. Step 2: Convert to fraction form
    273,189.96/377,006.79 = 150,696.40/x
  3. Step 3: Cross multiply
    273,189.96x = 377,006.79 × 150,696.40
  4. Step 4: Simplify right side
    273,189.96x = 56,813,566,028.56
  5. Step 5: Solve for x
    x = 56,813,566,028.56/273,189.96
  6. Step 6: Final answer
    x = 207,963.59

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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.