Home / 397,280.54-548,257.94-216,004.70

Finding the Fourth Proportional to 397,280.54, 548,257.94 and 216,004.70

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Solution

The fourth proportional to 397,280.54, 548,257.94 and 216,004.70 is: 298,092.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,280.54 : 548,257.94 = 216,004.70 : x
  2. Step 2: Convert to fraction form
    397,280.54/548,257.94 = 216,004.70/x
  3. Step 3: Cross multiply
    397,280.54x = 548,257.94 × 216,004.70
  4. Step 4: Simplify right side
    397,280.54x = 118,426,291,852.32
  5. Step 5: Solve for x
    x = 118,426,291,852.32/397,280.54
  6. Step 6: Final answer
    x = 298,092.36

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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.