Finding the Fourth Proportional to 283,217.80, 424,826.70 and 269,439.70
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Solution
The fourth proportional to 283,217.80, 424,826.70 and 269,439.70 is: 404,159.55
Step by Step Solution
- Step 1: Write the proportion equation
283,217.80 : 424,826.70 = 269,439.70 : x - Step 2: Convert to fraction form
283,217.80/424,826.70 = 269,439.70/x - Step 3: Cross multiply
283,217.80x = 424,826.70 × 269,439.70 - Step 4: Simplify right side
283,217.80x = 114,465,178,599.99 - Step 5: Solve for x
x = 114,465,178,599.99/283,217.80 - Step 6: Final answer
x = 404,159.55
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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.