Finding the Fourth Proportional to 331,832.79, 497,751.17 and 82,514.79
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Solution
The fourth proportional to 331,832.79, 497,751.17 and 82,514.79 is: 123,772.68
Step by Step Solution
- Step 1: Write the proportion equation
331,832.79 : 497,751.17 = 82,514.79 : x - Step 2: Convert to fraction form
331,832.79/497,751.17 = 82,514.79/x - Step 3: Cross multiply
331,832.79x = 497,751.17 × 82,514.79 - Step 4: Simplify right side
331,832.79x = 41,071,832,852.23 - Step 5: Solve for x
x = 41,071,832,852.23/331,832.79 - Step 6: Final answer
x = 123,772.68
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1.5x scale
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.