Home / 397,163.93-548,086.91-215,875.36

Finding the Fourth Proportional to 397,163.93, 548,086.91 and 215,875.36

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Solution

The fourth proportional to 397,163.93, 548,086.91 and 215,875.36 is: 297,908.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,163.93 : 548,086.91 = 215,875.36 : x
  2. Step 2: Convert to fraction form
    397,163.93/548,086.91 = 215,875.36/x
  3. Step 3: Cross multiply
    397,163.93x = 548,086.91 × 215,875.36
  4. Step 4: Simplify right side
    397,163.93x = 118,318,460,232.34
  5. Step 5: Solve for x
    x = 118,318,460,232.34/397,163.93
  6. Step 6: Final answer
    x = 297,908.38

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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.