Finding the Fourth Proportional to 190,918.98, 263,362.05 and 177,403.32
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Solution
The fourth proportional to 190,918.98, 263,362.05 and 177,403.32 is: 244,717.95
Step by Step Solution
- Step 1: Write the proportion equation
190,918.98 : 263,362.05 = 177,403.32 : x - Step 2: Convert to fraction form
190,918.98/263,362.05 = 177,403.32/x - Step 3: Cross multiply
190,918.98x = 263,362.05 × 177,403.32 - Step 4: Simplify right side
190,918.98x = 46,721,302,032.01 - Step 5: Solve for x
x = 46,721,302,032.01/190,918.98 - Step 6: Final answer
x = 244,717.95
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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.