Finding the Fourth Proportional to 115,296.08, 159,182.60 and 72,334.44
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Solution
The fourth proportional to 115,296.08, 159,182.60 and 72,334.44 is: 99,867.96
Step by Step Solution
- Step 1: Write the proportion equation
115,296.08 : 159,182.60 = 72,334.44 : x - Step 2: Convert to fraction form
115,296.08/159,182.60 = 72,334.44/x - Step 3: Cross multiply
115,296.08x = 159,182.60 × 72,334.44 - Step 4: Simplify right side
115,296.08x = 11,514,383,867.07 - Step 5: Solve for x
x = 11,514,383,867.07/115,296.08 - Step 6: Final answer
x = 99,867.96
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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.