Finding the Fourth Proportional to 216,269.28, 323,968.94 and 107,871.84
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Solution
The fourth proportional to 216,269.28, 323,968.94 and 107,871.84 is: 161,590.80
Step by Step Solution
- Step 1: Write the proportion equation
216,269.28 : 323,968.94 = 107,871.84 : x - Step 2: Convert to fraction form
216,269.28/323,968.94 = 107,871.84/x - Step 3: Cross multiply
216,269.28x = 323,968.94 × 107,871.84 - Step 4: Simplify right side
216,269.28x = 34,947,125,660.65 - Step 5: Solve for x
x = 34,947,125,660.65/216,269.28 - Step 6: Final answer
x = 161,590.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.