Finding the Fourth Proportional to 386,114.51, 532,838.19 and 235,211.51
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Solution
The fourth proportional to 386,114.51, 532,838.19 and 235,211.51 is: 324,591.99
Step by Step Solution
- Step 1: Write the proportion equation
386,114.51 : 532,838.19 = 235,211.51 : x - Step 2: Convert to fraction form
386,114.51/532,838.19 = 235,211.51/x - Step 3: Cross multiply
386,114.51x = 532,838.19 × 235,211.51 - Step 4: Simplify right side
386,114.51x = 125,329,675,255.57 - Step 5: Solve for x
x = 125,329,675,255.57/386,114.51 - Step 6: Final answer
x = 324,591.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.