Finding the Fourth Proportional to 115,734.51, 173,615.65 and 40,839.19
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Solution
The fourth proportional to 115,734.51, 173,615.65 and 40,839.19 is: 61,263.68
Step by Step Solution
- Step 1: Write the proportion equation
115,734.51 : 173,615.65 = 40,839.19 : x - Step 2: Convert to fraction form
115,734.51/173,615.65 = 40,839.19/x - Step 3: Cross multiply
115,734.51x = 173,615.65 × 40,839.19 - Step 4: Simplify right side
115,734.51x = 7,090,321,981.19 - Step 5: Solve for x
x = 7,090,321,981.19/115,734.51 - Step 6: Final answer
x = 61,263.68
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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.