Home / 293,729.40-405,369.90-166,436.28

Finding the Fourth Proportional to 293,729.40, 405,369.90 and 166,436.28

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Solution

The fourth proportional to 293,729.40, 405,369.90 and 166,436.28 is: 229,695.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,729.40 : 405,369.90 = 166,436.28 : x
  2. Step 2: Convert to fraction form
    293,729.40/405,369.90 = 166,436.28/x
  3. Step 3: Cross multiply
    293,729.40x = 405,369.90 × 166,436.28
  4. Step 4: Simplify right side
    293,729.40x = 67,468,258,179.97
  5. Step 5: Solve for x
    x = 67,468,258,179.97/293,729.40
  6. Step 6: Final answer
    x = 229,695.28

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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.