Finding the Fourth Proportional to 87,226.88, 120,252.16 and 58,887.68
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Solution
The fourth proportional to 87,226.88, 120,252.16 and 58,887.68 is: 81,183.35
Step by Step Solution
- Step 1: Write the proportion equation
87,226.88 : 120,252.16 = 58,887.68 : x - Step 2: Convert to fraction form
87,226.88/120,252.16 = 58,887.68/x - Step 3: Cross multiply
87,226.88x = 120,252.16 × 58,887.68 - Step 4: Simplify right side
87,226.88x = 7,081,370,717.39 - Step 5: Solve for x
x = 7,081,370,717.39/87,226.88 - Step 6: Final answer
x = 81,183.35
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1.5x scale
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.