Finding the Fourth Proportional to 259,882.79, 358,634.39 and 145,163.03
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Solution
The fourth proportional to 259,882.79, 358,634.39 and 145,163.03 is: 200,322.82
Step by Step Solution
- Step 1: Write the proportion equation
259,882.79 : 358,634.39 = 145,163.03 : x - Step 2: Convert to fraction form
259,882.79/358,634.39 = 145,163.03/x - Step 3: Cross multiply
259,882.79x = 358,634.39 × 145,163.03 - Step 4: Simplify right side
259,882.79x = 52,060,452,195.61 - Step 5: Solve for x
x = 52,060,452,195.61/259,882.79 - Step 6: Final answer
x = 200,322.82
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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.