Finding the Fourth Proportional to 275,193.68, 379,808.80 and 167,825.99
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Solution
The fourth proportional to 275,193.68, 379,808.80 and 167,825.99 is: 231,625.18
Step by Step Solution
- Step 1: Write the proportion equation
275,193.68 : 379,808.80 = 167,825.99 : x - Step 2: Convert to fraction form
275,193.68/379,808.80 = 167,825.99/x - Step 3: Cross multiply
275,193.68x = 379,808.80 × 167,825.99 - Step 4: Simplify right side
275,193.68x = 63,741,786,264.24 - Step 5: Solve for x
x = 63,741,786,264.24/275,193.68 - Step 6: Final answer
x = 231,625.18
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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.