Home / 323,179.20-445,736.52-286,918.92

Finding the Fourth Proportional to 323,179.20, 445,736.52 and 286,918.92

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Solution

The fourth proportional to 323,179.20, 445,736.52 and 286,918.92 is: 395,725.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,179.20 : 445,736.52 = 286,918.92 : x
  2. Step 2: Convert to fraction form
    323,179.20/445,736.52 = 286,918.92/x
  3. Step 3: Cross multiply
    323,179.20x = 445,736.52 × 286,918.92
  4. Step 4: Simplify right side
    323,179.20x = 127,890,240,922.96
  5. Step 5: Solve for x
    x = 127,890,240,922.96/323,179.20
  6. Step 6: Final answer
    x = 395,725.47

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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.