Finding the Fourth Proportional to 429,640.80, 592,770.84 and 248,286.66
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Solution
The fourth proportional to 429,640.80, 592,770.84 and 248,286.66 is: 342,558.46
Step by Step Solution
- Step 1: Write the proportion equation
429,640.80 : 592,770.84 = 248,286.66 : x - Step 2: Convert to fraction form
429,640.80/592,770.84 = 248,286.66/x - Step 3: Cross multiply
429,640.80x = 592,770.84 × 248,286.66 - Step 4: Simplify right side
429,640.80x = 147,177,092,008.99 - Step 5: Solve for x
x = 147,177,092,008.99/429,640.80 - Step 6: Final answer
x = 342,558.46
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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.