Finding the Fourth Proportional to 220,645.08, 304,491.78 and 120,043.08
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Solution
The fourth proportional to 220,645.08, 304,491.78 and 120,043.08 is: 165,660.30
Step by Step Solution
- Step 1: Write the proportion equation
220,645.08 : 304,491.78 = 120,043.08 : x - Step 2: Convert to fraction form
220,645.08/304,491.78 = 120,043.08/x - Step 3: Cross multiply
220,645.08x = 304,491.78 × 120,043.08 - Step 4: Simplify right side
220,645.08x = 36,552,131,105.88 - Step 5: Solve for x
x = 36,552,131,105.88/220,645.08 - Step 6: Final answer
x = 165,660.30
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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.