Home / 482,965.92-666,479.88-268,100.46

Finding the Fourth Proportional to 482,965.92, 666,479.88 and 268,100.46

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Solution

The fourth proportional to 482,965.92, 666,479.88 and 268,100.46 is: 369,971.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,965.92 : 666,479.88 = 268,100.46 : x
  2. Step 2: Convert to fraction form
    482,965.92/666,479.88 = 268,100.46/x
  3. Step 3: Cross multiply
    482,965.92x = 666,479.88 × 268,100.46
  4. Step 4: Simplify right side
    482,965.92x = 178,683,562,408.75
  5. Step 5: Solve for x
    x = 178,683,562,408.75/482,965.92
  6. Step 6: Final answer
    x = 369,971.37

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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.