Finding the Fourth Proportional to 275,816.88, 380,497.08 and 235,958.82
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Solution
The fourth proportional to 275,816.88, 380,497.08 and 235,958.82 is: 325,511.77
Step by Step Solution
- Step 1: Write the proportion equation
275,816.88 : 380,497.08 = 235,958.82 : x - Step 2: Convert to fraction form
275,816.88/380,497.08 = 235,958.82/x - Step 3: Cross multiply
275,816.88x = 380,497.08 × 235,958.82 - Step 4: Simplify right side
275,816.88x = 89,781,642,010.25 - Step 5: Solve for x
x = 89,781,642,010.25/275,816.88 - Step 6: Final answer
x = 325,511.77
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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.