Finding the Fourth Proportional to 228,409.26, 342,623.49 and 70,640.70
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Solution
The fourth proportional to 228,409.26, 342,623.49 and 70,640.70 is: 105,964.02
Step by Step Solution
- Step 1: Write the proportion equation
228,409.26 : 342,623.49 = 70,640.70 : x - Step 2: Convert to fraction form
228,409.26/342,623.49 = 70,640.70/x - Step 3: Cross multiply
228,409.26x = 342,623.49 × 70,640.70 - Step 4: Simplify right side
228,409.26x = 24,203,163,170.04 - Step 5: Solve for x
x = 24,203,163,170.04/228,409.26 - Step 6: Final answer
x = 105,964.02
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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.