Home / 281,372.25-388,257.54-160,506.33

Finding the Fourth Proportional to 281,372.25, 388,257.54 and 160,506.33

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Solution

The fourth proportional to 281,372.25, 388,257.54 and 160,506.33 is: 221,478.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,372.25 : 388,257.54 = 160,506.33 : x
  2. Step 2: Convert to fraction form
    281,372.25/388,257.54 = 160,506.33/x
  3. Step 3: Cross multiply
    281,372.25x = 388,257.54 × 160,506.33
  4. Step 4: Simplify right side
    281,372.25x = 62,317,792,840.23
  5. Step 5: Solve for x
    x = 62,317,792,840.23/281,372.25
  6. Step 6: Final answer
    x = 221,478.11

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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.