Finding the Fourth Proportional to 401,450.92, 554,062.95 and 229,405.09
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Solution
The fourth proportional to 401,450.92, 554,062.95 and 229,405.09 is: 316,613.70
Step by Step Solution
- Step 1: Write the proportion equation
401,450.92 : 554,062.95 = 229,405.09 : x - Step 2: Convert to fraction form
401,450.92/554,062.95 = 229,405.09/x - Step 3: Cross multiply
401,450.92x = 554,062.95 × 229,405.09 - Step 4: Simplify right side
401,450.92x = 127,104,860,910.42 - Step 5: Solve for x
x = 127,104,860,910.42/401,450.92 - Step 6: Final answer
x = 316,613.70
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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.