Finding the Fourth Proportional to 235,590.96, 325,112.16 and 128,161.92
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Solution
The fourth proportional to 235,590.96, 325,112.16 and 128,161.92 is: 176,861.62
Step by Step Solution
- Step 1: Write the proportion equation
235,590.96 : 325,112.16 = 128,161.92 : x - Step 2: Convert to fraction form
235,590.96/325,112.16 = 128,161.92/x - Step 3: Cross multiply
235,590.96x = 325,112.16 × 128,161.92 - Step 4: Simplify right side
235,590.96x = 41,666,998,640.95 - Step 5: Solve for x
x = 41,666,998,640.95/235,590.96 - Step 6: Final answer
x = 176,861.62
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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.