Finding the Fourth Proportional to 389,680.97, 537,770.27 and 236,684.07
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Solution
The fourth proportional to 389,680.97, 537,770.27 and 236,684.07 is: 326,630.42
Step by Step Solution
- Step 1: Write the proportion equation
389,680.97 : 537,770.27 = 236,684.07 : x - Step 2: Convert to fraction form
389,680.97/537,770.27 = 236,684.07/x - Step 3: Cross multiply
389,680.97x = 537,770.27 × 236,684.07 - Step 4: Simplify right side
389,680.97x = 127,281,656,820.31 - Step 5: Solve for x
x = 127,281,656,820.31/389,680.97 - Step 6: Final answer
x = 326,630.42
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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.