Finding the Fourth Proportional to 493,381.20, 739,812.60 and 177,790.80
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Solution
The fourth proportional to 493,381.20, 739,812.60 and 177,790.80 is: 266,592.80
Step by Step Solution
- Step 1: Write the proportion equation
493,381.20 : 739,812.60 = 177,790.80 : x - Step 2: Convert to fraction form
493,381.20/739,812.60 = 177,790.80/x - Step 3: Cross multiply
493,381.20x = 739,812.60 × 177,790.80 - Step 4: Simplify right side
493,381.20x = 131,531,874,004.08 - Step 5: Solve for x
x = 131,531,874,004.08/493,381.20 - Step 6: Final answer
x = 266,592.80
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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.