Finding the Fourth Proportional to 492,715.80, 739,073.70 and 177,131.70
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Solution
The fourth proportional to 492,715.80, 739,073.70 and 177,131.70 is: 265,697.55
Step by Step Solution
- Step 1: Write the proportion equation
492,715.80 : 739,073.70 = 177,131.70 : x - Step 2: Convert to fraction form
492,715.80/739,073.70 = 177,131.70/x - Step 3: Cross multiply
492,715.80x = 739,073.70 × 177,131.70 - Step 4: Simplify right side
492,715.80x = 130,913,380,906.29 - Step 5: Solve for x
x = 130,913,380,906.29/492,715.80 - Step 6: Final answer
x = 265,697.55
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1.5x scale
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.