Home / 445,928.49-615,206.12-254,839.37

Finding the Fourth Proportional to 445,928.49, 615,206.12 and 254,839.37

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Solution

The fourth proportional to 445,928.49, 615,206.12 and 254,839.37 is: 351,578.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,928.49 : 615,206.12 = 254,839.37 : x
  2. Step 2: Convert to fraction form
    445,928.49/615,206.12 = 254,839.37/x
  3. Step 3: Cross multiply
    445,928.49x = 615,206.12 × 254,839.37
  4. Step 4: Simplify right side
    445,928.49x = 156,778,735,690.72
  5. Step 5: Solve for x
    x = 156,778,735,690.72/445,928.49
  6. Step 6: Final answer
    x = 351,578.20

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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.