Finding the Fourth Proportional to 104,971.05, 157,409.19 and 30,074.05
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Solution
The fourth proportional to 104,971.05, 157,409.19 and 30,074.05 is: 45,097.50
Step by Step Solution
- Step 1: Write the proportion equation
104,971.05 : 157,409.19 = 30,074.05 : x - Step 2: Convert to fraction form
104,971.05/157,409.19 = 30,074.05/x - Step 3: Cross multiply
104,971.05x = 157,409.19 × 30,074.05 - Step 4: Simplify right side
104,971.05x = 4,733,932,047.28 - Step 5: Solve for x
x = 4,733,932,047.28/104,971.05 - Step 6: Final answer
x = 45,097.50
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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.