Finding the Fourth Proportional to 623,431.29, 935,245.35 and 202,608.75
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Solution
The fourth proportional to 623,431.29, 935,245.35 and 202,608.75 is: 303,945.11
Step by Step Solution
- Step 1: Write the proportion equation
623,431.29 : 935,245.35 = 202,608.75 : x - Step 2: Convert to fraction form
623,431.29/935,245.35 = 202,608.75/x - Step 3: Cross multiply
623,431.29x = 935,245.35 × 202,608.75 - Step 4: Simplify right side
623,431.29x = 189,488,891,306.81 - Step 5: Solve for x
x = 189,488,891,306.81/623,431.29 - Step 6: Final answer
x = 303,945.11
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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.