Finding the Fourth Proportional to 311,514.68, 429,890.00 and 168,274.68
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Solution
The fourth proportional to 311,514.68, 429,890.00 and 168,274.68 is: 232,218.92
Step by Step Solution
- Step 1: Write the proportion equation
311,514.68 : 429,890.00 = 168,274.68 : x - Step 2: Convert to fraction form
311,514.68/429,890.00 = 168,274.68/x - Step 3: Cross multiply
311,514.68x = 429,890.00 × 168,274.68 - Step 4: Simplify right side
311,514.68x = 72,339,601,343.83 - Step 5: Solve for x
x = 72,339,601,343.83/311,514.68 - Step 6: Final answer
x = 232,218.92
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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.