Finding the Fourth Proportional to 203,296.68, 280,549.44 and 113,872.68
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Solution
The fourth proportional to 203,296.68, 280,549.44 and 113,872.68 is: 157,144.31
Step by Step Solution
- Step 1: Write the proportion equation
203,296.68 : 280,549.44 = 113,872.68 : x - Step 2: Convert to fraction form
203,296.68/280,549.44 = 113,872.68/x - Step 3: Cross multiply
203,296.68x = 280,549.44 × 113,872.68 - Step 4: Simplify right side
203,296.68x = 31,946,916,605.30 - Step 5: Solve for x
x = 31,946,916,605.30/203,296.68 - Step 6: Final answer
x = 157,144.31
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1.5x scale
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.