Finding the Fourth Proportional to 347,929.49, 521,008.09 and 229,241.09
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Solution
The fourth proportional to 347,929.49, 521,008.09 and 229,241.09 is: 343,277.78
Step by Step Solution
- Step 1: Write the proportion equation
347,929.49 : 521,008.09 = 229,241.09 : x - Step 2: Convert to fraction form
347,929.49/521,008.09 = 229,241.09/x - Step 3: Cross multiply
347,929.49x = 521,008.09 × 229,241.09 - Step 4: Simplify right side
347,929.49x = 119,436,462,450.42 - Step 5: Solve for x
x = 119,436,462,450.42/347,929.49 - Step 6: Final answer
x = 343,277.78
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.