Finding the Fourth Proportional to 283,531.80, 425,149.98 and 133,731.84
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Solution
The fourth proportional to 283,531.80, 425,149.98 and 133,731.84 is: 200,528.09
Step by Step Solution
- Step 1: Write the proportion equation
283,531.80 : 425,149.98 = 133,731.84 : x - Step 2: Convert to fraction form
283,531.80/425,149.98 = 133,731.84/x - Step 3: Cross multiply
283,531.80x = 425,149.98 × 133,731.84 - Step 4: Simplify right side
283,531.80x = 56,856,089,101.36 - Step 5: Solve for x
x = 56,856,089,101.36/283,531.80 - Step 6: Final answer
x = 200,528.09
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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.