Finding the Fourth Proportional to 110,818.08, 166,203.36 and 31,917.60
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Solution
The fourth proportional to 110,818.08, 166,203.36 and 31,917.60 is: 47,869.56
Step by Step Solution
- Step 1: Write the proportion equation
110,818.08 : 166,203.36 = 31,917.60 : x - Step 2: Convert to fraction form
110,818.08/166,203.36 = 31,917.60/x - Step 3: Cross multiply
110,818.08x = 166,203.36 × 31,917.60 - Step 4: Simplify right side
110,818.08x = 5,304,812,363.14 - Step 5: Solve for x
x = 5,304,812,363.14/110,818.08 - Step 6: Final answer
x = 47,869.56
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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.