Finding the Fourth Proportional to 220,850.28, 304,777.08 and 125,359.92
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Solution
The fourth proportional to 220,850.28, 304,777.08 and 125,359.92 is: 172,998.79
Step by Step Solution
- Step 1: Write the proportion equation
220,850.28 : 304,777.08 = 125,359.92 : x - Step 2: Convert to fraction form
220,850.28/304,777.08 = 125,359.92/x - Step 3: Cross multiply
220,850.28x = 304,777.08 × 125,359.92 - Step 4: Simplify right side
220,850.28x = 38,206,830,366.63 - Step 5: Solve for x
x = 38,206,830,366.63/220,850.28 - Step 6: Final answer
x = 172,998.79
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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.