Finding the Fourth Proportional to 259,425.44, 389,117.39 and 115,375.87
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Solution
The fourth proportional to 259,425.44, 389,117.39 and 115,375.87 is: 173,054.56
Step by Step Solution
- Step 1: Write the proportion equation
259,425.44 : 389,117.39 = 115,375.87 : x - Step 2: Convert to fraction form
259,425.44/389,117.39 = 115,375.87/x - Step 3: Cross multiply
259,425.44x = 389,117.39 × 115,375.87 - Step 4: Simplify right side
259,425.44x = 44,894,756,719.03 - Step 5: Solve for x
x = 44,894,756,719.03/259,425.44 - Step 6: Final answer
x = 173,054.56
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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.