Finding the Fourth Proportional to 320,229.87, 441,940.11 and 176,986.84
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Solution
The fourth proportional to 320,229.87, 441,940.11 and 176,986.84 is: 244,254.49
Step by Step Solution
- Step 1: Write the proportion equation
320,229.87 : 441,940.11 = 176,986.84 : x - Step 2: Convert to fraction form
320,229.87/441,940.11 = 176,986.84/x - Step 3: Cross multiply
320,229.87x = 441,940.11 × 176,986.84 - Step 4: Simplify right side
320,229.87x = 78,217,583,538.15 - Step 5: Solve for x
x = 78,217,583,538.15/320,229.87 - Step 6: Final answer
x = 244,254.49
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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.