Finding the Fourth Proportional to 402,754.36, 603,754.26 and 136,328.44
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Solution
The fourth proportional to 402,754.36, 603,754.26 and 136,328.44 is: 204,364.95
Step by Step Solution
- Step 1: Write the proportion equation
402,754.36 : 603,754.26 = 136,328.44 : x - Step 2: Convert to fraction form
402,754.36/603,754.26 = 136,328.44/x - Step 3: Cross multiply
402,754.36x = 603,754.26 × 136,328.44 - Step 4: Simplify right side
402,754.36x = 82,308,876,409.15 - Step 5: Solve for x
x = 82,308,876,409.15/402,754.36 - Step 6: Final answer
x = 204,364.95
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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.