Finding the Fourth Proportional to 283,265.48, 390,891.12 and 162,400.88
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Solution
The fourth proportional to 283,265.48, 390,891.12 and 162,400.88 is: 224,104.48
Step by Step Solution
- Step 1: Write the proportion equation
283,265.48 : 390,891.12 = 162,400.88 : x - Step 2: Convert to fraction form
283,265.48/390,891.12 = 162,400.88/x - Step 3: Cross multiply
283,265.48x = 390,891.12 × 162,400.88 - Step 4: Simplify right side
283,265.48x = 63,481,061,872.19 - Step 5: Solve for x
x = 63,481,061,872.19/283,265.48 - Step 6: Final answer
x = 224,104.48
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.