Finding the Fourth Proportional to 220,363.13, 330,586.17 and 157,026.13
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Solution
The fourth proportional to 220,363.13, 330,586.17 and 157,026.13 is: 235,568.75
Step by Step Solution
- Step 1: Write the proportion equation
220,363.13 : 330,586.17 = 157,026.13 : x - Step 2: Convert to fraction form
220,363.13/330,586.17 = 157,026.13/x - Step 3: Cross multiply
220,363.13x = 330,586.17 × 157,026.13 - Step 4: Simplify right side
220,363.13x = 51,910,666,906.62 - Step 5: Solve for x
x = 51,910,666,906.62/220,363.13 - Step 6: Final answer
x = 235,568.75
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.