Finding the Fourth Proportional to 373,113.36, 514,914.71 and 209,821.26
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Solution
The fourth proportional to 373,113.36, 514,914.71 and 209,821.26 is: 289,563.61
Step by Step Solution
- Step 1: Write the proportion equation
373,113.36 : 514,914.71 = 209,821.26 : x - Step 2: Convert to fraction form
373,113.36/514,914.71 = 209,821.26/x - Step 3: Cross multiply
373,113.36x = 514,914.71 × 209,821.26 - Step 4: Simplify right side
373,113.36x = 108,040,053,563.54 - Step 5: Solve for x
x = 108,040,053,563.54/373,113.36 - Step 6: Final answer
x = 289,563.61
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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.