Finding the Fourth Proportional to 338,718.48, 467,415.68 and 195,524.66
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Solution
The fourth proportional to 338,718.48, 467,415.68 and 195,524.66 is: 269,814.90
Step by Step Solution
- Step 1: Write the proportion equation
338,718.48 : 467,415.68 = 195,524.66 : x - Step 2: Convert to fraction form
338,718.48/467,415.68 = 195,524.66/x - Step 3: Cross multiply
338,718.48x = 467,415.68 × 195,524.66 - Step 4: Simplify right side
338,718.48x = 91,391,291,910.67 - Step 5: Solve for x
x = 91,391,291,910.67/338,718.48 - Step 6: Final answer
x = 269,814.90
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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.