Finding the Fourth Proportional to 207,343.06, 311,014.60 and 102,367.06
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Solution
The fourth proportional to 207,343.06, 311,014.60 and 102,367.06 is: 153,550.59
Step by Step Solution
- Step 1: Write the proportion equation
207,343.06 : 311,014.60 = 102,367.06 : x - Step 2: Convert to fraction form
207,343.06/311,014.60 = 102,367.06/x - Step 3: Cross multiply
207,343.06x = 311,014.60 × 102,367.06 - Step 4: Simplify right side
207,343.06x = 31,837,650,219.08 - Step 5: Solve for x
x = 31,837,650,219.08/207,343.06 - Step 6: Final answer
x = 153,550.59
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1.5x scale
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.