Finding the Fourth Proportional to 146,391.84, 202,020.66 and 79,323.84
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Solution
The fourth proportional to 146,391.84, 202,020.66 and 79,323.84 is: 109,466.86
Step by Step Solution
- Step 1: Write the proportion equation
146,391.84 : 202,020.66 = 79,323.84 : x - Step 2: Convert to fraction form
146,391.84/202,020.66 = 79,323.84/x - Step 3: Cross multiply
146,391.84x = 202,020.66 × 79,323.84 - Step 4: Simplify right side
146,391.84x = 16,025,054,510.53 - Step 5: Solve for x
x = 16,025,054,510.53/146,391.84 - Step 6: Final answer
x = 109,466.86
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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.