Finding the Fourth Proportional to 211,114.49, 316,704.53 and 70,905.92
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Solution
The fourth proportional to 211,114.49, 316,704.53 and 70,905.92 is: 106,369.89
Step by Step Solution
- Step 1: Write the proportion equation
211,114.49 : 316,704.53 = 70,905.92 : x - Step 2: Convert to fraction form
211,114.49/316,704.53 = 70,905.92/x - Step 3: Cross multiply
211,114.49x = 316,704.53 × 70,905.92 - Step 4: Simplify right side
211,114.49x = 22,456,226,067.82 - Step 5: Solve for x
x = 22,456,226,067.82/211,114.49 - Step 6: Final answer
x = 106,369.89
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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.