Finding the Fourth Proportional to 115,163.24, 172,837.02 and 59,775.08
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Solution
The fourth proportional to 115,163.24, 172,837.02 and 59,775.08 is: 89,710.46
Step by Step Solution
- Step 1: Write the proportion equation
115,163.24 : 172,837.02 = 59,775.08 : x - Step 2: Convert to fraction form
115,163.24/172,837.02 = 59,775.08/x - Step 3: Cross multiply
115,163.24x = 172,837.02 × 59,775.08 - Step 4: Simplify right side
115,163.24x = 10,331,346,697.46 - Step 5: Solve for x
x = 10,331,346,697.46/115,163.24 - Step 6: Final answer
x = 89,710.46
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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.