Home / 287,137.10-427,759.04-274,183.25

Finding the Fourth Proportional to 287,137.10, 427,759.04 and 274,183.25

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Solution

The fourth proportional to 287,137.10, 427,759.04 and 274,183.25 is: 408,461.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,137.10 : 427,759.04 = 274,183.25 : x
  2. Step 2: Convert to fraction form
    287,137.10/427,759.04 = 274,183.25/x
  3. Step 3: Cross multiply
    287,137.10x = 427,759.04 × 274,183.25
  4. Step 4: Simplify right side
    287,137.10x = 117,284,362,350.74
  5. Step 5: Solve for x
    x = 117,284,362,350.74/287,137.10
  6. Step 6: Final answer
    x = 408,461.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.