Finding the Fourth Proportional to 543,855.48, 750,640.60 and 302,221.14
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Solution
The fourth proportional to 543,855.48, 750,640.60 and 302,221.14 is: 417,131.88
Step by Step Solution
- Step 1: Write the proportion equation
543,855.48 : 750,640.60 = 302,221.14 : x - Step 2: Convert to fraction form
543,855.48/750,640.60 = 302,221.14/x - Step 3: Cross multiply
543,855.48x = 750,640.60 × 302,221.14 - Step 4: Simplify right side
543,855.48x = 226,859,457,862.28 - Step 5: Solve for x
x = 226,859,457,862.28/543,855.48 - Step 6: Final answer
x = 417,131.88
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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.