Finding the Fourth Proportional to 356,490.24, 491,909.84 and 213,198
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Solution
The fourth proportional to 356,490.24, 491,909.84 and 213,198 is: 294,185.32
Step by Step Solution
- Step 1: Write the proportion equation
356,490.24 : 491,909.84 = 213,198 : x - Step 2: Convert to fraction form
356,490.24/491,909.84 = 213,198/x - Step 3: Cross multiply
356,490.24x = 491,909.84 × 213,198 - Step 4: Simplify right side
356,490.24x = 104,874,194,068.32 - Step 5: Solve for x
x = 104,874,194,068.32/356,490.24 - Step 6: Final answer
x = 294,185.32
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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.