Home / 397,150.27-548,071.01-215,862.62

Finding the Fourth Proportional to 397,150.27, 548,071.01 and 215,862.62

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Solution

The fourth proportional to 397,150.27, 548,071.01 and 215,862.62 is: 297,892.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,150.27 : 548,071.01 = 215,862.62 : x
  2. Step 2: Convert to fraction form
    397,150.27/548,071.01 = 215,862.62/x
  3. Step 3: Cross multiply
    397,150.27x = 548,071.01 × 215,862.62
  4. Step 4: Simplify right side
    397,150.27x = 118,308,040,344.98
  5. Step 5: Solve for x
    x = 118,308,040,344.98/397,150.27
  6. Step 6: Final answer
    x = 297,892.39

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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.