Home / 306,304.16-422,619.84-178,907.36

Finding the Fourth Proportional to 306,304.16, 422,619.84 and 178,907.36

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Solution

The fourth proportional to 306,304.16, 422,619.84 and 178,907.36 is: 246,845.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,304.16 : 422,619.84 = 178,907.36 : x
  2. Step 2: Convert to fraction form
    306,304.16/422,619.84 = 178,907.36/x
  3. Step 3: Cross multiply
    306,304.16x = 422,619.84 × 178,907.36
  4. Step 4: Simplify right side
    306,304.16x = 75,609,799,858.02
  5. Step 5: Solve for x
    x = 75,609,799,858.02/306,304.16
  6. Step 6: Final answer
    x = 246,845.49

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1.5x scale

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.