Finding the Fourth Proportional to 135,979.78, 204,006.57 and 41,206.13
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Solution
The fourth proportional to 135,979.78, 204,006.57 and 41,206.13 is: 61,820.38
Step by Step Solution
- Step 1: Write the proportion equation
135,979.78 : 204,006.57 = 41,206.13 : x - Step 2: Convert to fraction form
135,979.78/204,006.57 = 41,206.13/x - Step 3: Cross multiply
135,979.78x = 204,006.57 × 41,206.13 - Step 4: Simplify right side
135,979.78x = 8,406,321,208.55 - Step 5: Solve for x
x = 8,406,321,208.55/135,979.78 - Step 6: Final answer
x = 61,820.38
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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.