Finding the Fourth Proportional to 312,887.54, 469,052.84 and 113,163.56
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Solution
The fourth proportional to 312,887.54, 469,052.84 and 113,163.56 is: 169,644.62
Step by Step Solution
- Step 1: Write the proportion equation
312,887.54 : 469,052.84 = 113,163.56 : x - Step 2: Convert to fraction form
312,887.54/469,052.84 = 113,163.56/x - Step 3: Cross multiply
312,887.54x = 469,052.84 × 113,163.56 - Step 4: Simplify right side
312,887.54x = 53,079,688,899.10 - Step 5: Solve for x
x = 53,079,688,899.10/312,887.54 - Step 6: Final answer
x = 169,644.62
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1.5x scale
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.