Home / 268,229.46-370,157.09-145,722.31

Finding the Fourth Proportional to 268,229.46, 370,157.09 and 145,722.31

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Solution

The fourth proportional to 268,229.46, 370,157.09 and 145,722.31 is: 201,097.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,229.46 : 370,157.09 = 145,722.31 : x
  2. Step 2: Convert to fraction form
    268,229.46/370,157.09 = 145,722.31/x
  3. Step 3: Cross multiply
    268,229.46x = 370,157.09 × 145,722.31
  4. Step 4: Simplify right side
    268,229.46x = 53,940,146,414.46
  5. Step 5: Solve for x
    x = 53,940,146,414.46/268,229.46
  6. Step 6: Final answer
    x = 201,097.03

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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.