Home / 482,895.60-666,403.20-268,049.40

Finding the Fourth Proportional to 482,895.60, 666,403.20 and 268,049.40

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Solution

The fourth proportional to 482,895.60, 666,403.20 and 268,049.40 is: 369,912.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,895.60 : 666,403.20 = 268,049.40 : x
  2. Step 2: Convert to fraction form
    482,895.60/666,403.20 = 268,049.40/x
  3. Step 3: Cross multiply
    482,895.60x = 666,403.20 × 268,049.40
  4. Step 4: Simplify right side
    482,895.60x = 178,628,977,918.08
  5. Step 5: Solve for x
    x = 178,628,977,918.08/482,895.60
  6. Step 6: Final answer
    x = 369,912.21

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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.