Finding the Fourth Proportional to 397,537.20, 596,305.80 and 102,049.20
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Solution
The fourth proportional to 397,537.20, 596,305.80 and 102,049.20 is: 153,073.80
Step by Step Solution
- Step 1: Write the proportion equation
397,537.20 : 596,305.80 = 102,049.20 : x - Step 2: Convert to fraction form
397,537.20/596,305.80 = 102,049.20/x - Step 3: Cross multiply
397,537.20x = 596,305.80 × 102,049.20 - Step 4: Simplify right side
397,537.20x = 60,852,529,845.36 - Step 5: Solve for x
x = 60,852,529,845.36/397,537.20 - Step 6: Final answer
x = 153,073.80
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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.