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Finding the Fourth Proportional to 301,448.09, 415,983.09 and 178,945.71

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Solution

The fourth proportional to 301,448.09, 415,983.09 and 178,945.71 is: 246,936.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,448.09 : 415,983.09 = 178,945.71 : x
  2. Step 2: Convert to fraction form
    301,448.09/415,983.09 = 178,945.71/x
  3. Step 3: Cross multiply
    301,448.09x = 415,983.09 × 178,945.71
  4. Step 4: Simplify right side
    301,448.09x = 74,438,388,591.05
  5. Step 5: Solve for x
    x = 74,438,388,591.05/301,448.09
  6. Step 6: Final answer
    x = 246,936.01

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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.