Home / 281,577.25-388,576.61-168,400

Finding the Fourth Proportional to 281,577.25, 388,576.61 and 168,400

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Solution

The fourth proportional to 281,577.25, 388,576.61 and 168,400 is: 232,392.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,577.25 : 388,576.61 = 168,400 : x
  2. Step 2: Convert to fraction form
    281,577.25/388,576.61 = 168,400/x
  3. Step 3: Cross multiply
    281,577.25x = 388,576.61 × 168,400
  4. Step 4: Simplify right side
    281,577.25x = 65,436,301,124
  5. Step 5: Solve for x
    x = 65,436,301,124/281,577.25
  6. Step 6: Final answer
    x = 232,392.00

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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.