Home / 281,571.03-388,472.94-160,627.19

Finding the Fourth Proportional to 281,571.03, 388,472.94 and 160,627.19

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Solution

The fourth proportional to 281,571.03, 388,472.94 and 160,627.19 is: 221,611.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,571.03 : 388,472.94 = 160,627.19 : x
  2. Step 2: Convert to fraction form
    281,571.03/388,472.94 = 160,627.19/x
  3. Step 3: Cross multiply
    281,571.03x = 388,472.94 × 160,627.19
  4. Step 4: Simplify right side
    281,571.03x = 62,399,314,800.87
  5. Step 5: Solve for x
    x = 62,399,314,800.87/281,571.03
  6. Step 6: Final answer
    x = 221,611.27

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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.