Finding the Fourth Proportional to 274,857.12, 379,316.52 and 167,409.96
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Solution
The fourth proportional to 274,857.12, 379,316.52 and 167,409.96 is: 231,034.09
Step by Step Solution
- Step 1: Write the proportion equation
274,857.12 : 379,316.52 = 167,409.96 : x - Step 2: Convert to fraction form
274,857.12/379,316.52 = 167,409.96/x - Step 3: Cross multiply
274,857.12x = 379,316.52 × 167,409.96 - Step 4: Simplify right side
274,857.12x = 63,501,363,440.54 - Step 5: Solve for x
x = 63,501,363,440.54/274,857.12 - Step 6: Final answer
x = 231,034.09
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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.