Finding the Fourth Proportional to 146,502.20, 218,521.67 and 133,048.05
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Solution
The fourth proportional to 146,502.20, 218,521.67 and 133,048.05 is: 198,453.55
Step by Step Solution
- Step 1: Write the proportion equation
146,502.20 : 218,521.67 = 133,048.05 : x - Step 2: Convert to fraction form
146,502.20/218,521.67 = 133,048.05/x - Step 3: Cross multiply
146,502.20x = 218,521.67 × 133,048.05 - Step 4: Simplify right side
146,502.20x = 29,073,882,076.24 - Step 5: Solve for x
x = 29,073,882,076.24/146,502.20 - Step 6: Final answer
x = 198,453.55
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.