Finding the Fourth Proportional to 302,556.21, 417,524.11 and 166,587.38
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Solution
The fourth proportional to 302,556.21, 417,524.11 and 166,587.38 is: 229,888.68
Step by Step Solution
- Step 1: Write the proportion equation
302,556.21 : 417,524.11 = 166,587.38 : x - Step 2: Convert to fraction form
302,556.21/417,524.11 = 166,587.38/x - Step 3: Cross multiply
302,556.21x = 417,524.11 × 166,587.38 - Step 4: Simplify right side
302,556.21x = 69,554,247,571.73 - Step 5: Solve for x
x = 69,554,247,571.73/302,556.21 - Step 6: Final answer
x = 229,888.68
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1.5x scale
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.