Home / 482,864.68-666,321.96-268,004.80

Finding the Fourth Proportional to 482,864.68, 666,321.96 and 268,004.80

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Solution

The fourth proportional to 482,864.68, 666,321.96 and 268,004.80 is: 369,829.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,864.68 : 666,321.96 = 268,004.80 : x
  2. Step 2: Convert to fraction form
    482,864.68/666,321.96 = 268,004.80/x
  3. Step 3: Cross multiply
    482,864.68x = 666,321.96 × 268,004.80
  4. Step 4: Simplify right side
    482,864.68x = 178,577,483,625.41
  5. Step 5: Solve for x
    x = 178,577,483,625.41/482,864.68
  6. Step 6: Final answer
    x = 369,829.25

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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.