Home / 281,934.80-422,902.20-277,787.60

Finding the Fourth Proportional to 281,934.80, 422,902.20 and 277,787.60

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Solution

The fourth proportional to 281,934.80, 422,902.20 and 277,787.60 is: 416,681.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,934.80 : 422,902.20 = 277,787.60 : x
  2. Step 2: Convert to fraction form
    281,934.80/422,902.20 = 277,787.60/x
  3. Step 3: Cross multiply
    281,934.80x = 422,902.20 × 277,787.60
  4. Step 4: Simplify right side
    281,934.80x = 117,476,987,172.72
  5. Step 5: Solve for x
    x = 117,476,987,172.72/281,934.80
  6. Step 6: Final answer
    x = 416,681.40

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1.5x scale

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.