Finding the Fourth Proportional to 113,481.21, 170,326.95 and 57,360.99
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Solution
The fourth proportional to 113,481.21, 170,326.95 and 57,360.99 is: 86,094.63
Step by Step Solution
- Step 1: Write the proportion equation
113,481.21 : 170,326.95 = 57,360.99 : x - Step 2: Convert to fraction form
113,481.21/170,326.95 = 57,360.99/x - Step 3: Cross multiply
113,481.21x = 170,326.95 × 57,360.99 - Step 4: Simplify right side
113,481.21x = 9,770,122,475.68 - Step 5: Solve for x
x = 9,770,122,475.68/113,481.21 - Step 6: Final answer
x = 86,094.63
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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.