Home / 294,317.37-406,145.97-166,990.23

Finding the Fourth Proportional to 294,317.37, 406,145.97 and 166,990.23

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Solution

The fourth proportional to 294,317.37, 406,145.97 and 166,990.23 is: 230,439.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,317.37 : 406,145.97 = 166,990.23 : x
  2. Step 2: Convert to fraction form
    294,317.37/406,145.97 = 166,990.23/x
  3. Step 3: Cross multiply
    294,317.37x = 406,145.97 × 166,990.23
  4. Step 4: Simplify right side
    294,317.37x = 67,822,408,943.87
  5. Step 5: Solve for x
    x = 67,822,408,943.87/294,317.37
  6. Step 6: Final answer
    x = 230,439.71

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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.