Finding the Fourth Proportional to 207,062.40, 310,659.12 and 73,939.68
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Solution
The fourth proportional to 207,062.40, 310,659.12 and 73,939.68 is: 110,932.92
Step by Step Solution
- Step 1: Write the proportion equation
207,062.40 : 310,659.12 = 73,939.68 : x - Step 2: Convert to fraction form
207,062.40/310,659.12 = 73,939.68/x - Step 3: Cross multiply
207,062.40x = 310,659.12 × 73,939.68 - Step 4: Simplify right side
207,062.40x = 22,970,035,921.88 - Step 5: Solve for x
x = 22,970,035,921.88/207,062.40 - Step 6: Final answer
x = 110,932.92
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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.