Finding the Fourth Proportional to 282,385.68, 423,578.70 and 177,278.46
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Solution
The fourth proportional to 282,385.68, 423,578.70 and 177,278.46 is: 265,917.80
Step by Step Solution
- Step 1: Write the proportion equation
282,385.68 : 423,578.70 = 177,278.46 : x - Step 2: Convert to fraction form
282,385.68/423,578.70 = 177,278.46/x - Step 3: Cross multiply
282,385.68x = 423,578.70 × 177,278.46 - Step 4: Simplify right side
282,385.68x = 75,091,379,624.80 - Step 5: Solve for x
x = 75,091,379,624.80/282,385.68 - Step 6: Final answer
x = 265,917.80
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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.