Finding the Fourth Proportional to 205,768.14, 283,943.84 and 115,116.99
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Solution
The fourth proportional to 205,768.14, 283,943.84 and 115,116.99 is: 158,852.39
Step by Step Solution
- Step 1: Write the proportion equation
205,768.14 : 283,943.84 = 115,116.99 : x - Step 2: Convert to fraction form
205,768.14/283,943.84 = 115,116.99/x - Step 3: Cross multiply
205,768.14x = 283,943.84 × 115,116.99 - Step 4: Simplify right side
205,768.14x = 32,686,760,189.84 - Step 5: Solve for x
x = 32,686,760,189.84/205,768.14 - Step 6: Final answer
x = 158,852.39
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1.5x scale
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.