Finding the Fourth Proportional to 183,174.99, 252,655.25 and 128,842.39
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Solution
The fourth proportional to 183,174.99, 252,655.25 and 128,842.39 is: 177,713.71
Step by Step Solution
- Step 1: Write the proportion equation
183,174.99 : 252,655.25 = 128,842.39 : x - Step 2: Convert to fraction form
183,174.99/252,655.25 = 128,842.39/x - Step 3: Cross multiply
183,174.99x = 252,655.25 × 128,842.39 - Step 4: Simplify right side
183,174.99x = 32,552,706,256.05 - Step 5: Solve for x
x = 32,552,706,256.05/183,174.99 - Step 6: Final answer
x = 177,713.71
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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.