Finding the Fourth Proportional to 301,561.18, 416,138.11 and 165,613.01
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Solution
The fourth proportional to 301,561.18, 416,138.11 and 165,613.01 is: 228,536.99
Step by Step Solution
- Step 1: Write the proportion equation
301,561.18 : 416,138.11 = 165,613.01 : x - Step 2: Convert to fraction form
301,561.18/416,138.11 = 165,613.01/x - Step 3: Cross multiply
301,561.18x = 416,138.11 × 165,613.01 - Step 4: Simplify right side
301,561.18x = 68,917,882,478.09 - Step 5: Solve for x
x = 68,917,882,478.09/301,561.18 - Step 6: Final answer
x = 228,536.99
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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.