Finding the Fourth Proportional to 146,868.50, 202,679.08 and 79,800.50
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Solution
The fourth proportional to 146,868.50, 202,679.08 and 79,800.50 is: 110,124.99
Step by Step Solution
- Step 1: Write the proportion equation
146,868.50 : 202,679.08 = 79,800.50 : x - Step 2: Convert to fraction form
146,868.50/202,679.08 = 79,800.50/x - Step 3: Cross multiply
146,868.50x = 202,679.08 × 79,800.50 - Step 4: Simplify right side
146,868.50x = 16,173,891,923.54 - Step 5: Solve for x
x = 16,173,891,923.54/146,868.50 - Step 6: Final answer
x = 110,124.99
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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.