Finding the Fourth Proportional to 321,526.06, 443,704.17 and 178,307.26
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Solution
The fourth proportional to 321,526.06, 443,704.17 and 178,307.26 is: 246,063.02
Step by Step Solution
- Step 1: Write the proportion equation
321,526.06 : 443,704.17 = 178,307.26 : x - Step 2: Convert to fraction form
321,526.06/443,704.17 = 178,307.26/x - Step 3: Cross multiply
321,526.06x = 443,704.17 × 178,307.26 - Step 4: Simplify right side
321,526.06x = 79,115,674,803.27 - Step 5: Solve for x
x = 79,115,674,803.27/321,526.06 - Step 6: Final answer
x = 246,063.02
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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.