Finding the Fourth Proportional to 413,537.10, 620,392.05 and 133,082.70
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Solution
The fourth proportional to 413,537.10, 620,392.05 and 133,082.70 is: 199,651.85
Step by Step Solution
- Step 1: Write the proportion equation
413,537.10 : 620,392.05 = 133,082.70 : x - Step 2: Convert to fraction form
413,537.10/620,392.05 = 133,082.70/x - Step 3: Cross multiply
413,537.10x = 620,392.05 × 133,082.70 - Step 4: Simplify right side
413,537.10x = 82,563,449,072.54 - Step 5: Solve for x
x = 82,563,449,072.54/413,537.10 - Step 6: Final answer
x = 199,651.85
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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.