Finding the Fourth Proportional to 113,006.20, 169,536.70 and 34,115.70
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Solution
The fourth proportional to 113,006.20, 169,536.70 and 34,115.70 is: 51,181.82
Step by Step Solution
- Step 1: Write the proportion equation
113,006.20 : 169,536.70 = 34,115.70 : x - Step 2: Convert to fraction form
113,006.20/169,536.70 = 34,115.70/x - Step 3: Cross multiply
113,006.20x = 169,536.70 × 34,115.70 - Step 4: Simplify right side
113,006.20x = 5,783,863,196.19 - Step 5: Solve for x
x = 5,783,863,196.19/113,006.20 - Step 6: Final answer
x = 51,181.82
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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.