Finding the Fourth Proportional to 225,296.29, 310,887.61 and 134,634.21
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Solution
The fourth proportional to 225,296.29, 310,887.61 and 134,634.21 is: 185,782.50
Step by Step Solution
- Step 1: Write the proportion equation
225,296.29 : 310,887.61 = 134,634.21 : x - Step 2: Convert to fraction form
225,296.29/310,887.61 = 134,634.21/x - Step 3: Cross multiply
225,296.29x = 310,887.61 × 134,634.21 - Step 4: Simplify right side
225,296.29x = 41,856,107,771.14 - Step 5: Solve for x
x = 41,856,107,771.14/225,296.29 - Step 6: Final answer
x = 185,782.50
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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.