Finding the Fourth Proportional to 305,940.02, 422,120.87 and 183,451.62
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Solution
The fourth proportional to 305,940.02, 422,120.87 and 183,451.62 is: 253,117.45
Step by Step Solution
- Step 1: Write the proportion equation
305,940.02 : 422,120.87 = 183,451.62 : x - Step 2: Convert to fraction form
305,940.02/422,120.87 = 183,451.62/x - Step 3: Cross multiply
305,940.02x = 422,120.87 × 183,451.62 - Step 4: Simplify right side
305,940.02x = 77,438,756,520.05 - Step 5: Solve for x
x = 77,438,756,520.05/305,940.02 - Step 6: Final answer
x = 253,117.45
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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.