Finding the Fourth Proportional to 284,755.84, 393,045.06 and 188,030.32
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Solution
The fourth proportional to 284,755.84, 393,045.06 and 188,030.32 is: 259,535.99
Step by Step Solution
- Step 1: Write the proportion equation
284,755.84 : 393,045.06 = 188,030.32 : x - Step 2: Convert to fraction form
284,755.84/393,045.06 = 188,030.32/x - Step 3: Cross multiply
284,755.84x = 393,045.06 × 188,030.32 - Step 4: Simplify right side
284,755.84x = 73,904,388,406.22 - Step 5: Solve for x
x = 73,904,388,406.22/284,755.84 - Step 6: Final answer
x = 259,535.99
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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.