Finding the Fourth Proportional to 274,842.08, 379,356.72 and 161,701.28
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Solution
The fourth proportional to 274,842.08, 379,356.72 and 161,701.28 is: 223,191.69
Step by Step Solution
- Step 1: Write the proportion equation
274,842.08 : 379,356.72 = 161,701.28 : x - Step 2: Convert to fraction form
274,842.08/379,356.72 = 161,701.28/x - Step 3: Cross multiply
274,842.08x = 379,356.72 × 161,701.28 - Step 4: Simplify right side
274,842.08x = 61,342,467,200.60 - Step 5: Solve for x
x = 61,342,467,200.60/274,842.08 - Step 6: Final answer
x = 223,191.69
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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.