Finding the Fourth Proportional to 283,213.80, 424,820.70 and 269,435.70
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Solution
The fourth proportional to 283,213.80, 424,820.70 and 269,435.70 is: 404,153.55
Step by Step Solution
- Step 1: Write the proportion equation
283,213.80 : 424,820.70 = 269,435.70 : x - Step 2: Convert to fraction form
283,213.80/424,820.70 = 269,435.70/x - Step 3: Cross multiply
283,213.80x = 424,820.70 × 269,435.70 - Step 4: Simplify right side
283,213.80x = 114,461,862,678.99 - Step 5: Solve for x
x = 114,461,862,678.99/283,213.80 - Step 6: Final answer
x = 404,153.55
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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.