Finding the Fourth Proportional to 212,740.64, 319,114.20 and 62,996.07
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Solution
The fourth proportional to 212,740.64, 319,114.20 and 62,996.07 is: 94,495.07
Step by Step Solution
- Step 1: Write the proportion equation
212,740.64 : 319,114.20 = 62,996.07 : x - Step 2: Convert to fraction form
212,740.64/319,114.20 = 62,996.07/x - Step 3: Cross multiply
212,740.64x = 319,114.20 × 62,996.07 - Step 4: Simplify right side
212,740.64x = 20,102,940,481.19 - Step 5: Solve for x
x = 20,102,940,481.19/212,740.64 - Step 6: Final answer
x = 94,495.07
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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.