Finding the Fourth Proportional to 146,437.44, 202,083.84 and 79,369.44
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Solution
The fourth proportional to 146,437.44, 202,083.84 and 79,369.44 is: 109,529.92
Step by Step Solution
- Step 1: Write the proportion equation
146,437.44 : 202,083.84 = 79,369.44 : x - Step 2: Convert to fraction form
146,437.44/202,083.84 = 79,369.44/x - Step 3: Cross multiply
146,437.44x = 202,083.84 × 79,369.44 - Step 4: Simplify right side
146,437.44x = 16,039,281,213.85 - Step 5: Solve for x
x = 16,039,281,213.85/146,437.44 - Step 6: Final answer
x = 109,529.92
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1.5x scale
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.