Finding the Fourth Proportional to 416,994.36, 625,475.86 and 121,498.68
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Solution
The fourth proportional to 416,994.36, 625,475.86 and 121,498.68 is: 182,243.45
Step by Step Solution
- Step 1: Write the proportion equation
416,994.36 : 625,475.86 = 121,498.68 : x - Step 2: Convert to fraction form
416,994.36/625,475.86 = 121,498.68/x - Step 3: Cross multiply
416,994.36x = 625,475.86 × 121,498.68 - Step 4: Simplify right side
416,994.36x = 75,994,491,361.86 - Step 5: Solve for x
x = 75,994,491,361.86/416,994.36 - Step 6: Final answer
x = 182,243.45
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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.