Finding the Fourth Proportional to 212,046.09, 318,176.76 and 141,018.14
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Solution
The fourth proportional to 212,046.09, 318,176.76 and 141,018.14 is: 211,598.78
Step by Step Solution
- Step 1: Write the proportion equation
212,046.09 : 318,176.76 = 141,018.14 : x - Step 2: Convert to fraction form
212,046.09/318,176.76 = 141,018.14/x - Step 3: Cross multiply
212,046.09x = 318,176.76 × 141,018.14 - Step 4: Simplify right side
212,046.09x = 44,868,693,295.54 - Step 5: Solve for x
x = 44,868,693,295.54/212,046.09 - Step 6: Final answer
x = 211,598.78
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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.