Finding the Fourth Proportional to 221,072.17, 331,672.84 and 71,309.14
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Solution
The fourth proportional to 221,072.17, 331,672.84 and 71,309.14 is: 106,984.55
Step by Step Solution
- Step 1: Write the proportion equation
221,072.17 : 331,672.84 = 71,309.14 : x - Step 2: Convert to fraction form
221,072.17/331,672.84 = 71,309.14/x - Step 3: Cross multiply
221,072.17x = 331,672.84 × 71,309.14 - Step 4: Simplify right side
221,072.17x = 23,651,306,241.08 - Step 5: Solve for x
x = 23,651,306,241.08/221,072.17 - Step 6: Final answer
x = 106,984.55
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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.