Finding the Fourth Proportional to 203,316.48, 304,838.52 and 78,511.68
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Solution
The fourth proportional to 203,316.48, 304,838.52 and 78,511.68 is: 117,714.93
Step by Step Solution
- Step 1: Write the proportion equation
203,316.48 : 304,838.52 = 78,511.68 : x - Step 2: Convert to fraction form
203,316.48/304,838.52 = 78,511.68/x - Step 3: Cross multiply
203,316.48x = 304,838.52 × 78,511.68 - Step 4: Simplify right side
203,316.48x = 23,933,384,333.91 - Step 5: Solve for x
x = 23,933,384,333.91/203,316.48 - Step 6: Final answer
x = 117,714.93
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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.