Finding the Fourth Proportional to 252,494.40, 378,874.08 and 94,831.68
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Solution
The fourth proportional to 252,494.40, 378,874.08 and 94,831.68 is: 142,297.28
Step by Step Solution
- Step 1: Write the proportion equation
252,494.40 : 378,874.08 = 94,831.68 : x - Step 2: Convert to fraction form
252,494.40/378,874.08 = 94,831.68/x - Step 3: Cross multiply
252,494.40x = 378,874.08 × 94,831.68 - Step 4: Simplify right side
252,494.40x = 35,929,265,514.85 - Step 5: Solve for x
x = 35,929,265,514.85/252,494.40 - Step 6: Final answer
x = 142,297.28
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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.