Finding the Fourth Proportional to 135,042.20, 202,271.70 and 117,546.20
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Solution
The fourth proportional to 135,042.20, 202,271.70 and 117,546.20 is: 176,065.48
Step by Step Solution
- Step 1: Write the proportion equation
135,042.20 : 202,271.70 = 117,546.20 : x - Step 2: Convert to fraction form
135,042.20/202,271.70 = 117,546.20/x - Step 3: Cross multiply
135,042.20x = 202,271.70 × 117,546.20 - Step 4: Simplify right side
135,042.20x = 23,776,269,702.54 - Step 5: Solve for x
x = 23,776,269,702.54/135,042.20 - Step 6: Final answer
x = 176,065.48
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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.