Finding the Fourth Proportional to 201,104.90, 301,657.35 and 133,745.30
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Solution
The fourth proportional to 201,104.90, 301,657.35 and 133,745.30 is: 200,617.95
Step by Step Solution
- Step 1: Write the proportion equation
201,104.90 : 301,657.35 = 133,745.30 : x - Step 2: Convert to fraction form
201,104.90/301,657.35 = 133,745.30/x - Step 3: Cross multiply
201,104.90x = 301,657.35 × 133,745.30 - Step 4: Simplify right side
201,104.90x = 40,345,252,772.96 - Step 5: Solve for x
x = 40,345,252,772.96/201,104.90 - Step 6: Final answer
x = 200,617.95
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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.