Home / 236,964.28-326,912.80-165,386.20

Finding the Fourth Proportional to 236,964.28, 326,912.80 and 165,386.20

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Solution

The fourth proportional to 236,964.28, 326,912.80 and 165,386.20 is: 228,164.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,964.28 : 326,912.80 = 165,386.20 : x
  2. Step 2: Convert to fraction form
    236,964.28/326,912.80 = 165,386.20/x
  3. Step 3: Cross multiply
    236,964.28x = 326,912.80 × 165,386.20
  4. Step 4: Simplify right side
    236,964.28x = 54,066,865,723.36
  5. Step 5: Solve for x
    x = 54,066,865,723.36/236,964.28
  6. Step 6: Final answer
    x = 228,164.62

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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.