Finding the Fourth Proportional to 182,129.70, 273,194.55 and 103,397.70
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Solution
The fourth proportional to 182,129.70, 273,194.55 and 103,397.70 is: 155,096.55
Step by Step Solution
- Step 1: Write the proportion equation
182,129.70 : 273,194.55 = 103,397.70 : x - Step 2: Convert to fraction form
182,129.70/273,194.55 = 103,397.70/x - Step 3: Cross multiply
182,129.70x = 273,194.55 × 103,397.70 - Step 4: Simplify right side
182,129.70x = 28,247,688,122.54 - Step 5: Solve for x
x = 28,247,688,122.54/182,129.70 - Step 6: Final answer
x = 155,096.55
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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.