Finding the Fourth Proportional to 283,558.20, 425,531.70 and 125,899.80
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Solution
The fourth proportional to 283,558.20, 425,531.70 and 125,899.80 is: 188,936.01
Step by Step Solution
- Step 1: Write the proportion equation
283,558.20 : 425,531.70 = 125,899.80 : x - Step 2: Convert to fraction form
283,558.20/425,531.70 = 125,899.80/x - Step 3: Cross multiply
283,558.20x = 425,531.70 × 125,899.80 - Step 4: Simplify right side
283,558.20x = 53,574,355,923.66 - Step 5: Solve for x
x = 53,574,355,923.66/283,558.20 - Step 6: Final answer
x = 188,936.01
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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.