Home / 482,864.43-666,321.62-268,004.55

Finding the Fourth Proportional to 482,864.43, 666,321.62 and 268,004.55

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Solution

The fourth proportional to 482,864.43, 666,321.62 and 268,004.55 is: 369,828.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,864.43 : 666,321.62 = 268,004.55 : x
  2. Step 2: Convert to fraction form
    482,864.43/666,321.62 = 268,004.55/x
  3. Step 3: Cross multiply
    482,864.43x = 666,321.62 × 268,004.55
  4. Step 4: Simplify right side
    482,864.43x = 178,577,224,583.35
  5. Step 5: Solve for x
    x = 178,577,224,583.35/482,864.43
  6. Step 6: Final answer
    x = 369,828.91

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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.