Home / 331,995.28-458,122.72-188,727.36

Finding the Fourth Proportional to 331,995.28, 458,122.72 and 188,727.36

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Solution

The fourth proportional to 331,995.28, 458,122.72 and 188,727.36 is: 260,426.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,995.28 : 458,122.72 = 188,727.36 : x
  2. Step 2: Convert to fraction form
    331,995.28/458,122.72 = 188,727.36/x
  3. Step 3: Cross multiply
    331,995.28x = 458,122.72 × 188,727.36
  4. Step 4: Simplify right side
    331,995.28x = 86,460,291,501.62
  5. Step 5: Solve for x
    x = 86,460,291,501.62/331,995.28
  6. Step 6: Final answer
    x = 260,426.27

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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.