Home / 397,140.44-548,059.37-215,852.31

Finding the Fourth Proportional to 397,140.44, 548,059.37 and 215,852.31

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Solution

The fourth proportional to 397,140.44, 548,059.37 and 215,852.31 is: 297,879.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,140.44 : 548,059.37 = 215,852.31 : x
  2. Step 2: Convert to fraction form
    397,140.44/548,059.37 = 215,852.31/x
  3. Step 3: Cross multiply
    397,140.44x = 548,059.37 × 215,852.31
  4. Step 4: Simplify right side
    397,140.44x = 118,299,879,952.38
  5. Step 5: Solve for x
    x = 118,299,879,952.38/397,140.44
  6. Step 6: Final answer
    x = 297,879.21

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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.