Home / 305,800.27-458,664.73-81,178.16

Finding the Fourth Proportional to 305,800.27, 458,664.73 and 81,178.16

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Solution

The fourth proportional to 305,800.27, 458,664.73 and 81,178.16 is: 121,757.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,800.27 : 458,664.73 = 81,178.16 : x
  2. Step 2: Convert to fraction form
    305,800.27/458,664.73 = 81,178.16/x
  3. Step 3: Cross multiply
    305,800.27x = 458,664.73 × 81,178.16
  4. Step 4: Simplify right side
    305,800.27x = 37,233,556,342.03
  5. Step 5: Solve for x
    x = 37,233,556,342.03/305,800.27
  6. Step 6: Final answer
    x = 121,757.76

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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.