Finding the Fourth Proportional to 141,821.62, 212,657.16 and 41,968.06
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Solution
The fourth proportional to 141,821.62, 212,657.16 and 41,968.06 is: 62,929.82
Step by Step Solution
- Step 1: Write the proportion equation
141,821.62 : 212,657.16 = 41,968.06 : x - Step 2: Convert to fraction form
141,821.62/212,657.16 = 41,968.06/x - Step 3: Cross multiply
141,821.62x = 212,657.16 × 41,968.06 - Step 4: Simplify right side
141,821.62x = 8,924,808,450.31 - Step 5: Solve for x
x = 8,924,808,450.31/141,821.62 - Step 6: Final answer
x = 62,929.82
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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.