Finding the Fourth Proportional to 313,342.97, 432,367.67 and 179,181.05
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Solution
The fourth proportional to 313,342.97, 432,367.67 and 179,181.05 is: 247,243.76
Step by Step Solution
- Step 1: Write the proportion equation
313,342.97 : 432,367.67 = 179,181.05 : x - Step 2: Convert to fraction form
313,342.97/432,367.67 = 179,181.05/x - Step 3: Cross multiply
313,342.97x = 432,367.67 × 179,181.05 - Step 4: Simplify right side
313,342.97x = 77,472,091,382.77 - Step 5: Solve for x
x = 77,472,091,382.77/313,342.97 - Step 6: Final answer
x = 247,243.76
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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.