Finding the Fourth Proportional to 208,852.03, 288,208.08 and 113,356.68
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Solution
The fourth proportional to 208,852.03, 288,208.08 and 113,356.68 is: 156,428.03
Step by Step Solution
- Step 1: Write the proportion equation
208,852.03 : 288,208.08 = 113,356.68 : x - Step 2: Convert to fraction form
208,852.03/288,208.08 = 113,356.68/x - Step 3: Cross multiply
208,852.03x = 288,208.08 × 113,356.68 - Step 4: Simplify right side
208,852.03x = 32,670,311,097.97 - Step 5: Solve for x
x = 32,670,311,097.97/208,852.03 - Step 6: Final answer
x = 156,428.03
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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.