Finding the Fourth Proportional to 274,901.04, 379,357.02 and 161,731.08
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Solution
The fourth proportional to 274,901.04, 379,357.02 and 161,731.08 is: 223,185.12
Step by Step Solution
- Step 1: Write the proportion equation
274,901.04 : 379,357.02 = 161,731.08 : x - Step 2: Convert to fraction form
274,901.04/379,357.02 = 161,731.08/x - Step 3: Cross multiply
274,901.04x = 379,357.02 × 161,731.08 - Step 4: Simplify right side
274,901.04x = 61,353,820,550.18 - Step 5: Solve for x
x = 61,353,820,550.18/274,901.04 - Step 6: Final answer
x = 223,185.12
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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.