Finding the Fourth Proportional to 203,092.92, 280,396.08 and 130,528.26
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Solution
The fourth proportional to 203,092.92, 280,396.08 and 130,528.26 is: 180,211.17
Step by Step Solution
- Step 1: Write the proportion equation
203,092.92 : 280,396.08 = 130,528.26 : x - Step 2: Convert to fraction form
203,092.92/280,396.08 = 130,528.26/x - Step 3: Cross multiply
203,092.92x = 280,396.08 × 130,528.26 - Step 4: Simplify right side
203,092.92x = 36,599,612,433.22 - Step 5: Solve for x
x = 36,599,612,433.22/203,092.92 - Step 6: Final answer
x = 180,211.17
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.