Finding the Fourth Proportional to 300,954.42, 415,324.80 and 170,121.53
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Solution
The fourth proportional to 300,954.42, 415,324.80 and 170,121.53 is: 234,772.07
Step by Step Solution
- Step 1: Write the proportion equation
300,954.42 : 415,324.80 = 170,121.53 : x - Step 2: Convert to fraction form
300,954.42/415,324.80 = 170,121.53/x - Step 3: Cross multiply
300,954.42x = 415,324.80 × 170,121.53 - Step 4: Simplify right side
300,954.42x = 70,655,691,461.26 - Step 5: Solve for x
x = 70,655,691,461.26/300,954.42 - Step 6: Final answer
x = 234,772.07
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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.