Home / 325,436.33-449,089.65-178,258.82

Finding the Fourth Proportional to 325,436.33, 449,089.65 and 178,258.82

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Solution

The fourth proportional to 325,436.33, 449,089.65 and 178,258.82 is: 245,990.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,436.33 : 449,089.65 = 178,258.82 : x
  2. Step 2: Convert to fraction form
    325,436.33/449,089.65 = 178,258.82/x
  3. Step 3: Cross multiply
    325,436.33x = 449,089.65 × 178,258.82
  4. Step 4: Simplify right side
    325,436.33x = 80,054,191,083.21
  5. Step 5: Solve for x
    x = 80,054,191,083.21/325,436.33
  6. Step 6: Final answer
    x = 245,990.34

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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.