Home / 281,938.40-422,907.60-268,114.40

Finding the Fourth Proportional to 281,938.40, 422,907.60 and 268,114.40

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Solution

The fourth proportional to 281,938.40, 422,907.60 and 268,114.40 is: 402,171.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,938.40 : 422,907.60 = 268,114.40 : x
  2. Step 2: Convert to fraction form
    281,938.40/422,907.60 = 268,114.40/x
  3. Step 3: Cross multiply
    281,938.40x = 422,907.60 × 268,114.40
  4. Step 4: Simplify right side
    281,938.40x = 113,387,617,429.44
  5. Step 5: Solve for x
    x = 113,387,617,429.44/281,938.40
  6. Step 6: Final answer
    x = 402,171.60

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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.