Finding the Fourth Proportional to 429,170.48, 591,843.84 and 257,060.96
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Solution
The fourth proportional to 429,170.48, 591,843.84 and 257,060.96 is: 354,497.69
Step by Step Solution
- Step 1: Write the proportion equation
429,170.48 : 591,843.84 = 257,060.96 : x - Step 2: Convert to fraction form
429,170.48/591,843.84 = 257,060.96/x - Step 3: Cross multiply
429,170.48x = 591,843.84 × 257,060.96 - Step 4: Simplify right side
429,170.48x = 152,139,945,680.49 - Step 5: Solve for x
x = 152,139,945,680.49/429,170.48 - Step 6: Final answer
x = 354,497.69
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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.