Finding the Fourth Proportional to 134,543.62, 201,504.39 and 129,878.02
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Solution
The fourth proportional to 134,543.62, 201,504.39 and 129,878.02 is: 194,516.78
Step by Step Solution
- Step 1: Write the proportion equation
134,543.62 : 201,504.39 = 129,878.02 : x - Step 2: Convert to fraction form
134,543.62/201,504.39 = 129,878.02/x - Step 3: Cross multiply
134,543.62x = 201,504.39 × 129,878.02 - Step 4: Simplify right side
134,543.62x = 26,170,991,194.51 - Step 5: Solve for x
x = 26,170,991,194.51/134,543.62 - Step 6: Final answer
x = 194,516.78
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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.