Finding the Fourth Proportional to 324,846.70, 487,353.10 and 135,244.05
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Solution
The fourth proportional to 324,846.70, 487,353.10 and 135,244.05 is: 202,900.65
Step by Step Solution
- Step 1: Write the proportion equation
324,846.70 : 487,353.10 = 135,244.05 : x - Step 2: Convert to fraction form
324,846.70/487,353.10 = 135,244.05/x - Step 3: Cross multiply
324,846.70x = 487,353.10 × 135,244.05 - Step 4: Simplify right side
324,846.70x = 65,911,608,014.81 - Step 5: Solve for x
x = 65,911,608,014.81/324,846.70 - Step 6: Final answer
x = 202,900.65
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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.