Home / 281,739.44-388,812.48-168,540.32

Finding the Fourth Proportional to 281,739.44, 388,812.48 and 168,540.32

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Solution

The fourth proportional to 281,739.44, 388,812.48 and 168,540.32 is: 232,592.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,739.44 : 388,812.48 = 168,540.32 : x
  2. Step 2: Convert to fraction form
    281,739.44/388,812.48 = 168,540.32/x
  3. Step 3: Cross multiply
    281,739.44x = 388,812.48 × 168,540.32
  4. Step 4: Simplify right side
    281,739.44x = 65,530,579,799.19
  5. Step 5: Solve for x
    x = 65,530,579,799.19/281,739.44
  6. Step 6: Final answer
    x = 232,592.85

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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.