Finding the Fourth Proportional to 283,505.78, 390,699.68 and 202,793.18
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Solution
The fourth proportional to 283,505.78, 390,699.68 and 202,793.18 is: 279,469.53
Step by Step Solution
- Step 1: Write the proportion equation
283,505.78 : 390,699.68 = 202,793.18 : x - Step 2: Convert to fraction form
283,505.78/390,699.68 = 202,793.18/x - Step 3: Cross multiply
283,505.78x = 390,699.68 × 202,793.18 - Step 4: Simplify right side
283,505.78x = 79,231,227,564.72 - Step 5: Solve for x
x = 79,231,227,564.72/283,505.78 - Step 6: Final answer
x = 279,469.53
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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.