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Finding the Fourth Proportional to 303,914.00, 419,417.46 and 174,872.09

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Solution

The fourth proportional to 303,914.00, 419,417.46 and 174,872.09 is: 241,332.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,914.00 : 419,417.46 = 174,872.09 : x
  2. Step 2: Convert to fraction form
    303,914.00/419,417.46 = 174,872.09/x
  3. Step 3: Cross multiply
    303,914.00x = 419,417.46 × 174,872.09
  4. Step 4: Simplify right side
    303,914.00x = 73,344,405,715.60
  5. Step 5: Solve for x
    x = 73,344,405,715.60/303,914.00
  6. Step 6: Final answer
    x = 241,332.77

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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.