Finding the Fourth Proportional to 220,833.92, 304,790.52 and 130,184.48
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Solution
The fourth proportional to 220,833.92, 304,790.52 and 130,184.48 is: 179,677.99
Step by Step Solution
- Step 1: Write the proportion equation
220,833.92 : 304,790.52 = 130,184.48 : x - Step 2: Convert to fraction form
220,833.92/304,790.52 = 130,184.48/x - Step 3: Cross multiply
220,833.92x = 304,790.52 × 130,184.48 - Step 4: Simplify right side
220,833.92x = 39,678,995,355.13 - Step 5: Solve for x
x = 39,678,995,355.13/220,833.92 - Step 6: Final answer
x = 179,677.99
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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.