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Finding the Fourth Proportional to 274,183.66, 378,370.84 and 153,323.56

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Solution

The fourth proportional to 274,183.66, 378,370.84 and 153,323.56 is: 211,585.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,183.66 : 378,370.84 = 153,323.56 : x
  2. Step 2: Convert to fraction form
    274,183.66/378,370.84 = 153,323.56/x
  3. Step 3: Cross multiply
    274,183.66x = 378,370.84 × 153,323.56
  4. Step 4: Simplify right side
    274,183.66x = 58,013,164,188.99
  5. Step 5: Solve for x
    x = 58,013,164,188.99/274,183.66
  6. Step 6: Final answer
    x = 211,585.05

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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.