Finding the Fourth Proportional to 253,146.08, 379,741.80 and 73,228.68
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Solution
The fourth proportional to 253,146.08, 379,741.80 and 73,228.68 is: 109,849.58
Step by Step Solution
- Step 1: Write the proportion equation
253,146.08 : 379,741.80 = 73,228.68 : x - Step 2: Convert to fraction form
253,146.08/379,741.80 = 73,228.68/x - Step 3: Cross multiply
253,146.08x = 379,741.80 × 73,228.68 - Step 4: Simplify right side
253,146.08x = 27,807,990,754.82 - Step 5: Solve for x
x = 27,807,990,754.82/253,146.08 - Step 6: Final answer
x = 109,849.58
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.