Finding the Fourth Proportional to 190,235.70, 261,927.72 and 161,495.82
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Solution
The fourth proportional to 190,235.70, 261,927.72 and 161,495.82 is: 222,356.96
Step by Step Solution
- Step 1: Write the proportion equation
190,235.70 : 261,927.72 = 161,495.82 : x - Step 2: Convert to fraction form
190,235.70/261,927.72 = 161,495.82/x - Step 3: Cross multiply
190,235.70x = 261,927.72 × 161,495.82 - Step 4: Simplify right side
190,235.70x = 42,300,231,922.13 - Step 5: Solve for x
x = 42,300,231,922.13/190,235.70 - Step 6: Final answer
x = 222,356.96
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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.