Finding the Fourth Proportional to 88,289.96, 132,431.97 and 38,370.06
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Solution
The fourth proportional to 88,289.96, 132,431.97 and 38,370.06 is: 57,553.80
Step by Step Solution
- Step 1: Write the proportion equation
88,289.96 : 132,431.97 = 38,370.06 : x - Step 2: Convert to fraction form
88,289.96/132,431.97 = 38,370.06/x - Step 3: Cross multiply
88,289.96x = 132,431.97 × 38,370.06 - Step 4: Simplify right side
88,289.96x = 5,081,422,713.32 - Step 5: Solve for x
x = 5,081,422,713.32/88,289.96 - Step 6: Final answer
x = 57,553.80
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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.