Finding the Fourth Proportional to 252,481.86, 348,382.62 and 143,569.26
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Solution
The fourth proportional to 252,481.86, 348,382.62 and 143,569.26 is: 198,101.50
Step by Step Solution
- Step 1: Write the proportion equation
252,481.86 : 348,382.62 = 143,569.26 : x - Step 2: Convert to fraction form
252,481.86/348,382.62 = 143,569.26/x - Step 3: Cross multiply
252,481.86x = 348,382.62 × 143,569.26 - Step 4: Simplify right side
252,481.86x = 50,017,034,950.26 - Step 5: Solve for x
x = 50,017,034,950.26/252,481.86 - Step 6: Final answer
x = 198,101.50
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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.