Finding the Fourth Proportional to 221,252.65, 331,880.90 and 71,492.96
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Solution
The fourth proportional to 221,252.65, 331,880.90 and 71,492.96 is: 107,240.07
Step by Step Solution
- Step 1: Write the proportion equation
221,252.65 : 331,880.90 = 71,492.96 : x - Step 2: Convert to fraction form
221,252.65/331,880.90 = 71,492.96/x - Step 3: Cross multiply
221,252.65x = 331,880.90 × 71,492.96 - Step 4: Simplify right side
221,252.65x = 23,727,148,273.10 - Step 5: Solve for x
x = 23,727,148,273.10/221,252.65 - Step 6: Final answer
x = 107,240.07
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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.