Home / 259,929.20-388,972.20-176,985.20

Finding the Fourth Proportional to 259,929.20, 388,972.20 and 176,985.20

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Solution

The fourth proportional to 259,929.20, 388,972.20 and 176,985.20 is: 264,850.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,929.20 : 388,972.20 = 176,985.20 : x
  2. Step 2: Convert to fraction form
    259,929.20/388,972.20 = 176,985.20/x
  3. Step 3: Cross multiply
    259,929.20x = 388,972.20 × 176,985.20
  4. Step 4: Simplify right side
    259,929.20x = 68,842,322,611.44
  5. Step 5: Solve for x
    x = 68,842,322,611.44/259,929.20
  6. Step 6: Final answer
    x = 264,850.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.