Finding the Fourth Proportional to 408,152.50, 612,234.98 and 155,446.98
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Solution
The fourth proportional to 408,152.50, 612,234.98 and 155,446.98 is: 233,172.84
Step by Step Solution
- Step 1: Write the proportion equation
408,152.50 : 612,234.98 = 155,446.98 : x - Step 2: Convert to fraction form
408,152.50/612,234.98 = 155,446.98/x - Step 3: Cross multiply
408,152.50x = 612,234.98 × 155,446.98 - Step 4: Simplify right side
408,152.50x = 95,170,078,691.36 - Step 5: Solve for x
x = 95,170,078,691.36/408,152.50 - Step 6: Final answer
x = 233,172.84
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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.