Finding the Fourth Proportional to 208,910.41, 288,010.73 and 143,497.24
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Solution
The fourth proportional to 208,910.41, 288,010.73 and 143,497.24 is: 197,829.99
Step by Step Solution
- Step 1: Write the proportion equation
208,910.41 : 288,010.73 = 143,497.24 : x - Step 2: Convert to fraction form
208,910.41/288,010.73 = 143,497.24/x - Step 3: Cross multiply
208,910.41x = 288,010.73 × 143,497.24 - Step 4: Simplify right side
208,910.41x = 41,328,744,484.10 - Step 5: Solve for x
x = 41,328,744,484.10/208,910.41 - Step 6: Final answer
x = 197,829.99
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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.