Finding the Fourth Proportional to 151,907.68, 227,860.80 and 84,407.92
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Solution
The fourth proportional to 151,907.68, 227,860.80 and 84,407.92 is: 126,611.48
Step by Step Solution
- Step 1: Write the proportion equation
151,907.68 : 227,860.80 = 84,407.92 : x - Step 2: Convert to fraction form
151,907.68/227,860.80 = 84,407.92/x - Step 3: Cross multiply
151,907.68x = 227,860.80 × 84,407.92 - Step 4: Simplify right side
151,907.68x = 19,233,256,177.54 - Step 5: Solve for x
x = 19,233,256,177.54/151,907.68 - Step 6: Final answer
x = 126,611.48
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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.