Finding the Fourth Proportional to 312,236.06, 430,896.18 and 191,353.98
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Solution
The fourth proportional to 312,236.06, 430,896.18 and 191,353.98 is: 264,074.89
Step by Step Solution
- Step 1: Write the proportion equation
312,236.06 : 430,896.18 = 191,353.98 : x - Step 2: Convert to fraction form
312,236.06/430,896.18 = 191,353.98/x - Step 3: Cross multiply
312,236.06x = 430,896.18 × 191,353.98 - Step 4: Simplify right side
312,236.06x = 82,453,701,343.23 - Step 5: Solve for x
x = 82,453,701,343.23/312,236.06 - Step 6: Final answer
x = 264,074.89
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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.