Home / 281,334.42-388,243.26-160,474.41

Finding the Fourth Proportional to 281,334.42, 388,243.26 and 160,474.41

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Solution

The fourth proportional to 281,334.42, 388,243.26 and 160,474.41 is: 221,455.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,334.42 : 388,243.26 = 160,474.41 : x
  2. Step 2: Convert to fraction form
    281,334.42/388,243.26 = 160,474.41/x
  3. Step 3: Cross multiply
    281,334.42x = 388,243.26 × 160,474.41
  4. Step 4: Simplify right side
    281,334.42x = 62,303,108,084.98
  5. Step 5: Solve for x
    x = 62,303,108,084.98/281,334.42
  6. Step 6: Final answer
    x = 221,455.69

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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.