Finding the Fourth Proportional to 186,977.26, 257,938.98 and 135,910.84
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Solution
The fourth proportional to 186,977.26, 257,938.98 and 135,910.84 is: 187,491.80
Step by Step Solution
- Step 1: Write the proportion equation
186,977.26 : 257,938.98 = 135,910.84 : x - Step 2: Convert to fraction form
186,977.26/257,938.98 = 135,910.84/x - Step 3: Cross multiply
186,977.26x = 257,938.98 × 135,910.84 - Step 4: Simplify right side
186,977.26x = 35,056,703,440.54 - Step 5: Solve for x
x = 35,056,703,440.54/186,977.26 - Step 6: Final answer
x = 187,491.80
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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.