Finding the Fourth Proportional to 117,722.80, 176,580.30 and 51,163.01
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Solution
The fourth proportional to 117,722.80, 176,580.30 and 51,163.01 is: 76,742.82
Step by Step Solution
- Step 1: Write the proportion equation
117,722.80 : 176,580.30 = 51,163.01 : x - Step 2: Convert to fraction form
117,722.80/176,580.30 = 51,163.01/x - Step 3: Cross multiply
117,722.80x = 176,580.30 × 51,163.01 - Step 4: Simplify right side
117,722.80x = 9,034,379,654.70 - Step 5: Solve for x
x = 9,034,379,654.70/117,722.80 - Step 6: Final answer
x = 76,742.82
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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.