Finding the Fourth Proportional to 416,617.83, 574,932.06 and 225,631.98
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Solution
The fourth proportional to 416,617.83, 574,932.06 and 225,631.98 is: 311,371.84
Step by Step Solution
- Step 1: Write the proportion equation
416,617.83 : 574,932.06 = 225,631.98 : x - Step 2: Convert to fraction form
416,617.83/574,932.06 = 225,631.98/x - Step 3: Cross multiply
416,617.83x = 574,932.06 × 225,631.98 - Step 4: Simplify right side
416,617.83x = 129,723,059,063.28 - Step 5: Solve for x
x = 129,723,059,063.28/416,617.83 - Step 6: Final answer
x = 311,371.84
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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.