Finding the Fourth Proportional to 311,840.56, 467,644.74 and 112,106.44
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Solution
The fourth proportional to 311,840.56, 467,644.74 and 112,106.44 is: 168,117.92
Step by Step Solution
- Step 1: Write the proportion equation
311,840.56 : 467,644.74 = 112,106.44 : x - Step 2: Convert to fraction form
311,840.56/467,644.74 = 112,106.44/x - Step 3: Cross multiply
311,840.56x = 467,644.74 × 112,106.44 - Step 4: Simplify right side
311,840.56x = 52,425,986,986.13 - Step 5: Solve for x
x = 52,425,986,986.13/311,840.56 - Step 6: Final answer
x = 168,117.92
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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.