Home / 305,839.53-459,039.49-163,845.11

Finding the Fourth Proportional to 305,839.53, 459,039.49 and 163,845.11

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Solution

The fourth proportional to 305,839.53, 459,039.49 and 163,845.11 is: 245,917.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,839.53 : 459,039.49 = 163,845.11 : x
  2. Step 2: Convert to fraction form
    305,839.53/459,039.49 = 163,845.11/x
  3. Step 3: Cross multiply
    305,839.53x = 459,039.49 × 163,845.11
  4. Step 4: Simplify right side
    305,839.53x = 75,211,376,471.38
  5. Step 5: Solve for x
    x = 75,211,376,471.38/305,839.53
  6. Step 6: Final answer
    x = 245,917.77

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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.