Finding the Fourth Proportional to 175,419.97, 263,024.61 and 80,531.44
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Solution
The fourth proportional to 175,419.97, 263,024.61 and 80,531.44 is: 120,748.80
Step by Step Solution
- Step 1: Write the proportion equation
175,419.97 : 263,024.61 = 80,531.44 : x - Step 2: Convert to fraction form
175,419.97/263,024.61 = 80,531.44/x - Step 3: Cross multiply
175,419.97x = 263,024.61 × 80,531.44 - Step 4: Simplify right side
175,419.97x = 21,181,750,598.74 - Step 5: Solve for x
x = 21,181,750,598.74/175,419.97 - Step 6: Final answer
x = 120,748.80
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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.