Finding the Fourth Proportional to 431,536.80, 647,596.80 and 241,996.80
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Solution
The fourth proportional to 431,536.80, 647,596.80 and 241,996.80 is: 363,158.72
Step by Step Solution
- Step 1: Write the proportion equation
431,536.80 : 647,596.80 = 241,996.80 : x - Step 2: Convert to fraction form
431,536.80/647,596.80 = 241,996.80/x - Step 3: Cross multiply
431,536.80x = 647,596.80 × 241,996.80 - Step 4: Simplify right side
431,536.80x = 156,716,353,290.24 - Step 5: Solve for x
x = 156,716,353,290.24/431,536.80 - Step 6: Final answer
x = 363,158.72
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.