Finding the Fourth Proportional to 220,362.93, 303,943.30 and 202,271.08
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Solution
The fourth proportional to 220,362.93, 303,943.30 and 202,271.08 is: 278,989.49
Step by Step Solution
- Step 1: Write the proportion equation
220,362.93 : 303,943.30 = 202,271.08 : x - Step 2: Convert to fraction form
220,362.93/303,943.30 = 202,271.08/x - Step 3: Cross multiply
220,362.93x = 303,943.30 × 202,271.08 - Step 4: Simplify right side
220,362.93x = 61,478,940,846.74 - Step 5: Solve for x
x = 61,478,940,846.74/220,362.93 - Step 6: Final answer
x = 278,989.49
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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.