Finding the Fourth Proportional to 275,119.49, 379,629.82 and 160,369.42
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Solution
The fourth proportional to 275,119.49, 379,629.82 and 160,369.42 is: 221,289.35
Step by Step Solution
- Step 1: Write the proportion equation
275,119.49 : 379,629.82 = 160,369.42 : x - Step 2: Convert to fraction form
275,119.49/379,629.82 = 160,369.42/x - Step 3: Cross multiply
275,119.49x = 379,629.82 × 160,369.42 - Step 4: Simplify right side
275,119.49x = 60,881,014,048.10 - Step 5: Solve for x
x = 60,881,014,048.10/275,119.49 - Step 6: Final answer
x = 221,289.35
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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.