Finding the Fourth Proportional to 186,367.68, 257,187.76 and 101,485.12
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Solution
The fourth proportional to 186,367.68, 257,187.76 and 101,485.12 is: 140,049.66
Step by Step Solution
- Step 1: Write the proportion equation
186,367.68 : 257,187.76 = 101,485.12 : x - Step 2: Convert to fraction form
186,367.68/257,187.76 = 101,485.12/x - Step 3: Cross multiply
186,367.68x = 257,187.76 × 101,485.12 - Step 4: Simplify right side
186,367.68x = 26,100,730,686.13 - Step 5: Solve for x
x = 26,100,730,686.13/186,367.68 - Step 6: Final answer
x = 140,049.66
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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.