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Finding the Fourth Proportional to 273,414.20, 377,302.73 and 149,230.40

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Solution

The fourth proportional to 273,414.20, 377,302.73 and 149,230.40 is: 205,933.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,414.20 : 377,302.73 = 149,230.40 : x
  2. Step 2: Convert to fraction form
    273,414.20/377,302.73 = 149,230.40/x
  3. Step 3: Cross multiply
    273,414.20x = 377,302.73 × 149,230.40
  4. Step 4: Simplify right side
    273,414.20x = 56,305,034,686.33
  5. Step 5: Solve for x
    x = 56,305,034,686.33/273,414.20
  6. Step 6: Final answer
    x = 205,933.11

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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.