Home / 291,383.04-401,912.64-178,008.96

Finding the Fourth Proportional to 291,383.04, 401,912.64 and 178,008.96

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Solution

The fourth proportional to 291,383.04, 401,912.64 and 178,008.96 is: 245,532.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,383.04 : 401,912.64 = 178,008.96 : x
  2. Step 2: Convert to fraction form
    291,383.04/401,912.64 = 178,008.96/x
  3. Step 3: Cross multiply
    291,383.04x = 401,912.64 × 178,008.96
  4. Step 4: Simplify right side
    291,383.04x = 71,544,051,057.25
  5. Step 5: Solve for x
    x = 71,544,051,057.25/291,383.04
  6. Step 6: Final answer
    x = 245,532.65

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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.