Finding the Fourth Proportional to 200,980.24, 301,027.49 and 112,013.08
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Solution
The fourth proportional to 200,980.24, 301,027.49 and 112,013.08 is: 167,772.79
Step by Step Solution
- Step 1: Write the proportion equation
200,980.24 : 301,027.49 = 112,013.08 : x - Step 2: Convert to fraction form
200,980.24/301,027.49 = 112,013.08/x - Step 3: Cross multiply
200,980.24x = 301,027.49 × 112,013.08 - Step 4: Simplify right side
200,980.24x = 33,719,016,319.57 - Step 5: Solve for x
x = 33,719,016,319.57/200,980.24 - Step 6: Final answer
x = 167,772.79
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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.