Finding the Fourth Proportional to 205,637.00, 283,777.10 and 114,991.92
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Solution
The fourth proportional to 205,637.00, 283,777.10 and 114,991.92 is: 158,687.75
Step by Step Solution
- Step 1: Write the proportion equation
205,637.00 : 283,777.10 = 114,991.92 : x - Step 2: Convert to fraction form
205,637.00/283,777.10 = 114,991.92/x - Step 3: Cross multiply
205,637.00x = 283,777.10 × 114,991.92 - Step 4: Simplify right side
205,637.00x = 32,632,073,006.07 - Step 5: Solve for x
x = 32,632,073,006.07/205,637.00 - Step 6: Final answer
x = 158,687.75
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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.