Finding the Fourth Proportional to 207,851.67, 312,276.87 and 133,117.02
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Solution
The fourth proportional to 207,851.67, 312,276.87 and 133,117.02 is: 199,995.34
Step by Step Solution
- Step 1: Write the proportion equation
207,851.67 : 312,276.87 = 133,117.02 : x - Step 2: Convert to fraction form
207,851.67/312,276.87 = 133,117.02/x - Step 3: Cross multiply
207,851.67x = 312,276.87 × 133,117.02 - Step 4: Simplify right side
207,851.67x = 41,569,366,349.33 - Step 5: Solve for x
x = 41,569,366,349.33/207,851.67 - Step 6: Final answer
x = 199,995.34
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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.