Finding the Fourth Proportional to 286,396.68, 395,183.48 and 165,514.62
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Solution
The fourth proportional to 286,396.68, 395,183.48 and 165,514.62 is: 228,384.78
Step by Step Solution
- Step 1: Write the proportion equation
286,396.68 : 395,183.48 = 165,514.62 : x - Step 2: Convert to fraction form
286,396.68/395,183.48 = 165,514.62/x - Step 3: Cross multiply
286,396.68x = 395,183.48 × 165,514.62 - Step 4: Simplify right side
286,396.68x = 65,408,643,522.48 - Step 5: Solve for x
x = 65,408,643,522.48/286,396.68 - Step 6: Final answer
x = 228,384.78
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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.