Finding the Fourth Proportional to 147,600.26, 203,688.24 and 80,532.26
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Solution
The fourth proportional to 147,600.26, 203,688.24 and 80,532.26 is: 111,134.45
Step by Step Solution
- Step 1: Write the proportion equation
147,600.26 : 203,688.24 = 80,532.26 : x - Step 2: Convert to fraction form
147,600.26/203,688.24 = 80,532.26/x - Step 3: Cross multiply
147,600.26x = 203,688.24 × 80,532.26 - Step 4: Simplify right side
147,600.26x = 16,403,474,302.62 - Step 5: Solve for x
x = 16,403,474,302.62/147,600.26 - Step 6: Final answer
x = 111,134.45
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1.5x scale
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.