Home / 268,046.46-369,905.13-145,539.03

Finding the Fourth Proportional to 268,046.46, 369,905.13 and 145,539.03

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Solution

The fourth proportional to 268,046.46, 369,905.13 and 145,539.03 is: 200,844.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,046.46 : 369,905.13 = 145,539.03 : x
  2. Step 2: Convert to fraction form
    268,046.46/369,905.13 = 145,539.03/x
  3. Step 3: Cross multiply
    268,046.46x = 369,905.13 × 145,539.03
  4. Step 4: Simplify right side
    268,046.46x = 53,835,633,812.22
  5. Step 5: Solve for x
    x = 53,835,633,812.22/268,046.46
  6. Step 6: Final answer
    x = 200,844.41

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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.