Finding the Fourth Proportional to 547,186.44, 755,130.06 and 343,245.99
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Solution
The fourth proportional to 547,186.44, 755,130.06 and 343,245.99 is: 473,687.48
Step by Step Solution
- Step 1: Write the proportion equation
547,186.44 : 755,130.06 = 343,245.99 : x - Step 2: Convert to fraction form
547,186.44/755,130.06 = 343,245.99/x - Step 3: Cross multiply
547,186.44x = 755,130.06 × 343,245.99 - Step 4: Simplify right side
547,186.44x = 259,195,365,023.46 - Step 5: Solve for x
x = 259,195,365,023.46/547,186.44 - Step 6: Final answer
x = 473,687.48
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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.