Finding the Fourth Proportional to 264,738.40, 365,341.82 and 143,879.68
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Solution
The fourth proportional to 264,738.40, 365,341.82 and 143,879.68 is: 198,555.50
Step by Step Solution
- Step 1: Write the proportion equation
264,738.40 : 365,341.82 = 143,879.68 : x - Step 2: Convert to fraction form
264,738.40/365,341.82 = 143,879.68/x - Step 3: Cross multiply
264,738.40x = 365,341.82 × 143,879.68 - Step 4: Simplify right side
264,738.40x = 52,565,264,152.22 - Step 5: Solve for x
x = 52,565,264,152.22/264,738.40 - Step 6: Final answer
x = 198,555.50
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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.