Home / 280,958.38-387,407.26-178,822.06

Finding the Fourth Proportional to 280,958.38, 387,407.26 and 178,822.06

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Solution

The fourth proportional to 280,958.38, 387,407.26 and 178,822.06 is: 246,573.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,958.38 : 387,407.26 = 178,822.06 : x
  2. Step 2: Convert to fraction form
    280,958.38/387,407.26 = 178,822.06/x
  3. Step 3: Cross multiply
    280,958.38x = 387,407.26 × 178,822.06
  4. Step 4: Simplify right side
    280,958.38x = 69,276,964,292.16
  5. Step 5: Solve for x
    x = 69,276,964,292.16/280,958.38
  6. Step 6: Final answer
    x = 246,573.76

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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.