Finding the Fourth Proportional to 193,309.26, 289,725.93 and 92,160.60
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Solution
The fourth proportional to 193,309.26, 289,725.93 and 92,160.60 is: 138,127.45
Step by Step Solution
- Step 1: Write the proportion equation
193,309.26 : 289,725.93 = 92,160.60 : x - Step 2: Convert to fraction form
193,309.26/289,725.93 = 92,160.60/x - Step 3: Cross multiply
193,309.26x = 289,725.93 × 92,160.60 - Step 4: Simplify right side
193,309.26x = 26,701,315,544.36 - Step 5: Solve for x
x = 26,701,315,544.36/193,309.26 - Step 6: Final answer
x = 138,127.45
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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.