Finding the Fourth Proportional to 257,793.99, 355,981.68 and 161,163.02
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Solution
The fourth proportional to 257,793.99, 355,981.68 and 161,163.02 is: 222,546.23
Step by Step Solution
- Step 1: Write the proportion equation
257,793.99 : 355,981.68 = 161,163.02 : x - Step 2: Convert to fraction form
257,793.99/355,981.68 = 161,163.02/x - Step 3: Cross multiply
257,793.99x = 355,981.68 × 161,163.02 - Step 4: Simplify right side
257,793.99x = 57,371,080,833.57 - Step 5: Solve for x
x = 57,371,080,833.57/257,793.99 - Step 6: Final answer
x = 222,546.23
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.