Finding the Fourth Proportional to 220,112.99, 303,763.44 and 123,320.93
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Solution
The fourth proportional to 220,112.99, 303,763.44 and 123,320.93 is: 170,187.09
Step by Step Solution
- Step 1: Write the proportion equation
220,112.99 : 303,763.44 = 123,320.93 : x - Step 2: Convert to fraction form
220,112.99/303,763.44 = 123,320.93/x - Step 3: Cross multiply
220,112.99x = 303,763.44 × 123,320.93 - Step 4: Simplify right side
220,112.99x = 37,460,390,226.26 - Step 5: Solve for x
x = 37,460,390,226.26/220,112.99 - Step 6: Final answer
x = 170,187.09
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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.