Finding the Fourth Proportional to 227,974.96, 341,969.35 and 78,213.08
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Solution
The fourth proportional to 227,974.96, 341,969.35 and 78,213.08 is: 117,321.99
Step by Step Solution
- Step 1: Write the proportion equation
227,974.96 : 341,969.35 = 78,213.08 : x - Step 2: Convert to fraction form
227,974.96/341,969.35 = 78,213.08/x - Step 3: Cross multiply
227,974.96x = 341,969.35 × 78,213.08 - Step 4: Simplify right side
227,974.96x = 26,746,476,788.49 - Step 5: Solve for x
x = 26,746,476,788.49/227,974.96 - Step 6: Final answer
x = 117,321.99
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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.