Finding the Fourth Proportional to 211,160.36, 316,700.94 and 105,951.08
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Solution
The fourth proportional to 211,160.36, 316,700.94 and 105,951.08 is: 158,906.75
Step by Step Solution
- Step 1: Write the proportion equation
211,160.36 : 316,700.94 = 105,951.08 : x - Step 2: Convert to fraction form
211,160.36/316,700.94 = 105,951.08/x - Step 3: Cross multiply
211,160.36x = 316,700.94 × 105,951.08 - Step 4: Simplify right side
211,160.36x = 33,554,806,630.02 - Step 5: Solve for x
x = 33,554,806,630.02/211,160.36 - Step 6: Final answer
x = 158,906.75
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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.