Finding the Fourth Proportional to 282,163.70, 423,201.51 and 82,430.46
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Solution
The fourth proportional to 282,163.70, 423,201.51 and 82,430.46 is: 123,632.82
Step by Step Solution
- Step 1: Write the proportion equation
282,163.70 : 423,201.51 = 82,430.46 : x - Step 2: Convert to fraction form
282,163.70/423,201.51 = 82,430.46/x - Step 3: Cross multiply
282,163.70x = 423,201.51 × 82,430.46 - Step 4: Simplify right side
282,163.70x = 34,884,695,141.99 - Step 5: Solve for x
x = 34,884,695,141.99/282,163.70 - Step 6: Final answer
x = 123,632.82
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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.