Finding the Fourth Proportional to 283,057.96, 424,539.18 and 80,639.80
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Solution
The fourth proportional to 283,057.96, 424,539.18 and 80,639.80 is: 120,946.09
Step by Step Solution
- Step 1: Write the proportion equation
283,057.96 : 424,539.18 = 80,639.80 : x - Step 2: Convert to fraction form
283,057.96/424,539.18 = 80,639.80/x - Step 3: Cross multiply
283,057.96x = 424,539.18 × 80,639.80 - Step 4: Simplify right side
283,057.96x = 34,234,754,567.36 - Step 5: Solve for x
x = 34,234,754,567.36/283,057.96 - Step 6: Final answer
x = 120,946.09
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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.