Finding the Fourth Proportional to 220,209.18, 303,892.68 and 124,735.70
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Solution
The fourth proportional to 220,209.18, 303,892.68 and 124,735.70 is: 172,137.53
Step by Step Solution
- Step 1: Write the proportion equation
220,209.18 : 303,892.68 = 124,735.70 : x - Step 2: Convert to fraction form
220,209.18/303,892.68 = 124,735.70/x - Step 3: Cross multiply
220,209.18x = 303,892.68 × 124,735.70 - Step 4: Simplify right side
220,209.18x = 37,906,264,645.21 - Step 5: Solve for x
x = 37,906,264,645.21/220,209.18 - Step 6: Final answer
x = 172,137.53
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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.