Finding the Fourth Proportional to 117,682.70, 176,424.53 and 51,072.75
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Solution
The fourth proportional to 117,682.70, 176,424.53 and 51,072.75 is: 76,565.94
Step by Step Solution
- Step 1: Write the proportion equation
117,682.70 : 176,424.53 = 51,072.75 : x - Step 2: Convert to fraction form
117,682.70/176,424.53 = 51,072.75/x - Step 3: Cross multiply
117,682.70x = 176,424.53 × 51,072.75 - Step 4: Simplify right side
117,682.70x = 9,010,485,659.19 - Step 5: Solve for x
x = 9,010,485,659.19/117,682.70 - Step 6: Final answer
x = 76,565.94
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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.