Finding the Fourth Proportional to 201,272.08, 301,937.40 and 68,107.12
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Solution
The fourth proportional to 201,272.08, 301,937.40 and 68,107.12 is: 102,170.59
Step by Step Solution
- Step 1: Write the proportion equation
201,272.08 : 301,937.40 = 68,107.12 : x - Step 2: Convert to fraction form
201,272.08/301,937.40 = 68,107.12/x - Step 3: Cross multiply
201,272.08x = 301,937.40 × 68,107.12 - Step 4: Simplify right side
201,272.08x = 20,564,086,734.29 - Step 5: Solve for x
x = 20,564,086,734.29/201,272.08 - Step 6: Final answer
x = 102,170.59
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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.