Finding the Fourth Proportional to 211,207.88, 316,812.22 and 51,283.14
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Solution
The fourth proportional to 211,207.88, 316,812.22 and 51,283.14 is: 76,924.81
Step by Step Solution
- Step 1: Write the proportion equation
211,207.88 : 316,812.22 = 51,283.14 : x - Step 2: Convert to fraction form
211,207.88/316,812.22 = 51,283.14/x - Step 3: Cross multiply
211,207.88x = 316,812.22 × 51,283.14 - Step 4: Simplify right side
211,207.88x = 16,247,125,431.97 - Step 5: Solve for x
x = 16,247,125,431.97/211,207.88 - Step 6: Final answer
x = 76,924.81
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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.