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Finding the Fourth Proportional to 293,955.67, 405,651 and 166,630.96

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Solution

The fourth proportional to 293,955.67, 405,651 and 166,630.96 is: 229,946.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,955.67 : 405,651 = 166,630.96 : x
  2. Step 2: Convert to fraction form
    293,955.67/405,651 = 166,630.96/x
  3. Step 3: Cross multiply
    293,955.67x = 405,651 × 166,630.96
  4. Step 4: Simplify right side
    293,955.67x = 67,594,015,554.96
  5. Step 5: Solve for x
    x = 67,594,015,554.96/293,955.67
  6. Step 6: Final answer
    x = 229,946.29

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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.