Finding the Fourth Proportional to 211,007.82, 316,510.36 and 53,236.42
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Solution
The fourth proportional to 211,007.82, 316,510.36 and 53,236.42 is: 79,854.28
Step by Step Solution
- Step 1: Write the proportion equation
211,007.82 : 316,510.36 = 53,236.42 : x - Step 2: Convert to fraction form
211,007.82/316,510.36 = 53,236.42/x - Step 3: Cross multiply
211,007.82x = 316,510.36 × 53,236.42 - Step 4: Simplify right side
211,007.82x = 16,849,878,193.13 - Step 5: Solve for x
x = 16,849,878,193.13/211,007.82 - Step 6: Final answer
x = 79,854.28
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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.