Finding the Fourth Proportional to 221,361.08, 331,926.33 and 79,151.54
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Solution
The fourth proportional to 221,361.08, 331,926.33 and 79,151.54 is: 118,686.09
Step by Step Solution
- Step 1: Write the proportion equation
221,361.08 : 331,926.33 = 79,151.54 : x - Step 2: Convert to fraction form
221,361.08/331,926.33 = 79,151.54/x - Step 3: Cross multiply
221,361.08x = 331,926.33 × 79,151.54 - Step 4: Simplify right side
221,361.08x = 26,272,480,186.05 - Step 5: Solve for x
x = 26,272,480,186.05/221,361.08 - Step 6: Final answer
x = 118,686.09
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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.