Finding the Fourth Proportional to 543,176.10, 814,764.15 and 188,201.70
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Solution
The fourth proportional to 543,176.10, 814,764.15 and 188,201.70 is: 282,302.55
Step by Step Solution
- Step 1: Write the proportion equation
543,176.10 : 814,764.15 = 188,201.70 : x - Step 2: Convert to fraction form
543,176.10/814,764.15 = 188,201.70/x - Step 3: Cross multiply
543,176.10x = 814,764.15 × 188,201.70 - Step 4: Simplify right side
543,176.10x = 153,339,998,129.06 - Step 5: Solve for x
x = 153,339,998,129.06/543,176.10 - Step 6: Final answer
x = 282,302.55
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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.