Finding the Fourth Proportional to 200,520.97, 276,804.34 and 135,124.20
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Solution
The fourth proportional to 200,520.97, 276,804.34 and 135,124.20 is: 186,528.95
Step by Step Solution
- Step 1: Write the proportion equation
200,520.97 : 276,804.34 = 135,124.20 : x - Step 2: Convert to fraction form
200,520.97/276,804.34 = 135,124.20/x - Step 3: Cross multiply
200,520.97x = 276,804.34 × 135,124.20 - Step 4: Simplify right side
200,520.97x = 37,402,964,661.22 - Step 5: Solve for x
x = 37,402,964,661.22/200,520.97 - Step 6: Final answer
x = 186,528.95
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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.