Finding the Fourth Proportional to 274,859.56, 379,353.54 and 161,687.08
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Solution
The fourth proportional to 274,859.56, 379,353.54 and 161,687.08 is: 223,156.02
Step by Step Solution
- Step 1: Write the proportion equation
274,859.56 : 379,353.54 = 161,687.08 : x - Step 2: Convert to fraction form
274,859.56/379,353.54 = 161,687.08/x - Step 3: Cross multiply
274,859.56x = 379,353.54 × 161,687.08 - Step 4: Simplify right side
274,859.56x = 61,336,566,170.26 - Step 5: Solve for x
x = 61,336,566,170.26/274,859.56 - Step 6: Final answer
x = 223,156.02
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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.