Finding the Fourth Proportional to 283,750.40, 425,625.60 and 125,811.20
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Solution
The fourth proportional to 283,750.40, 425,625.60 and 125,811.20 is: 188,716.80
Step by Step Solution
- Step 1: Write the proportion equation
283,750.40 : 425,625.60 = 125,811.20 : x - Step 2: Convert to fraction form
283,750.40/425,625.60 = 125,811.20/x - Step 3: Cross multiply
283,750.40x = 425,625.60 × 125,811.20 - Step 4: Simplify right side
283,750.40x = 53,548,467,486.72 - Step 5: Solve for x
x = 53,548,467,486.72/283,750.40 - Step 6: Final answer
x = 188,716.80
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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.