Home / 397,623.44-548,735.44-227,890.32

Finding the Fourth Proportional to 397,623.44, 548,735.44 and 227,890.32

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Solution

The fourth proportional to 397,623.44, 548,735.44 and 227,890.32 is: 314,497.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,623.44 : 548,735.44 = 227,890.32 : x
  2. Step 2: Convert to fraction form
    397,623.44/548,735.44 = 227,890.32/x
  3. Step 3: Cross multiply
    397,623.44x = 548,735.44 × 227,890.32
  4. Step 4: Simplify right side
    397,623.44x = 125,051,495,016.94
  5. Step 5: Solve for x
    x = 125,051,495,016.94/397,623.44
  6. Step 6: Final answer
    x = 314,497.29

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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.