Finding the Fourth Proportional to 175,625.80, 263,438.70 and 80,855.80
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Solution
The fourth proportional to 175,625.80, 263,438.70 and 80,855.80 is: 121,283.70
Step by Step Solution
- Step 1: Write the proportion equation
175,625.80 : 263,438.70 = 80,855.80 : x - Step 2: Convert to fraction form
175,625.80/263,438.70 = 80,855.80/x - Step 3: Cross multiply
175,625.80x = 263,438.70 × 80,855.80 - Step 4: Simplify right side
175,625.80x = 21,300,546,839.46 - Step 5: Solve for x
x = 21,300,546,839.46/175,625.80 - Step 6: Final answer
x = 121,283.70
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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.