Finding the Fourth Proportional to 130,629.09, 196,030.91 and 47,523.09
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Solution
The fourth proportional to 130,629.09, 196,030.91 and 47,523.09 is: 71,316.39
Step by Step Solution
- Step 1: Write the proportion equation
130,629.09 : 196,030.91 = 47,523.09 : x - Step 2: Convert to fraction form
130,629.09/196,030.91 = 47,523.09/x - Step 3: Cross multiply
130,629.09x = 196,030.91 × 47,523.09 - Step 4: Simplify right side
130,629.09x = 9,315,994,578.71 - Step 5: Solve for x
x = 9,315,994,578.71/130,629.09 - Step 6: Final answer
x = 71,316.39
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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.