Finding the Fourth Proportional to 283,772.72, 425,445.84 and 133,927.70
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Solution
The fourth proportional to 283,772.72, 425,445.84 and 133,927.70 is: 200,790.90
Step by Step Solution
- Step 1: Write the proportion equation
283,772.72 : 425,445.84 = 133,927.70 : x - Step 2: Convert to fraction form
283,772.72/425,445.84 = 133,927.70/x - Step 3: Cross multiply
283,772.72x = 425,445.84 × 133,927.70 - Step 4: Simplify right side
283,772.72x = 56,978,980,698.54 - Step 5: Solve for x
x = 56,978,980,698.54/283,772.72 - Step 6: Final answer
x = 200,790.90
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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.