Finding the Fourth Proportional to 320,976.99, 442,942.82 and 177,733.95
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Solution
The fourth proportional to 320,976.99, 442,942.82 and 177,733.95 is: 245,269.84
Step by Step Solution
- Step 1: Write the proportion equation
320,976.99 : 442,942.82 = 177,733.95 : x - Step 2: Convert to fraction form
320,976.99/442,942.82 = 177,733.95/x - Step 3: Cross multiply
320,976.99x = 442,942.82 × 177,733.95 - Step 4: Simplify right side
320,976.99x = 78,725,976,134.07 - Step 5: Solve for x
x = 78,725,976,134.07/320,976.99 - Step 6: Final answer
x = 245,269.84
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.