Finding the Fourth Proportional to 615,514.36, 849,452.52 and 343,635.70
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Solution
The fourth proportional to 615,514.36, 849,452.52 and 343,635.70 is: 474,241.11
Step by Step Solution
- Step 1: Write the proportion equation
615,514.36 : 849,452.52 = 343,635.70 : x - Step 2: Convert to fraction form
615,514.36/849,452.52 = 343,635.70/x - Step 3: Cross multiply
615,514.36x = 849,452.52 × 343,635.70 - Step 4: Simplify right side
615,514.36x = 291,902,211,326.96 - Step 5: Solve for x
x = 291,902,211,326.96/615,514.36 - Step 6: Final answer
x = 474,241.11
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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.