Finding the Fourth Proportional to 193,714.09, 290,587.80 and 53,472.70
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Solution
The fourth proportional to 193,714.09, 290,587.80 and 53,472.70 is: 80,213.65
Step by Step Solution
- Step 1: Write the proportion equation
193,714.09 : 290,587.80 = 53,472.70 : x - Step 2: Convert to fraction form
193,714.09/290,587.80 = 53,472.70/x - Step 3: Cross multiply
193,714.09x = 290,587.80 × 53,472.70 - Step 4: Simplify right side
193,714.09x = 15,538,514,253.06 - Step 5: Solve for x
x = 15,538,514,253.06/193,714.09 - Step 6: Final answer
x = 80,213.65
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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.