Finding the Fourth Proportional to 231,514.79, 347,035.37 and 156,642.84
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Solution
The fourth proportional to 231,514.79, 347,035.37 and 156,642.84 is: 234,804.03
Step by Step Solution
- Step 1: Write the proportion equation
231,514.79 : 347,035.37 = 156,642.84 : x - Step 2: Convert to fraction form
231,514.79/347,035.37 = 156,642.84/x - Step 3: Cross multiply
231,514.79x = 347,035.37 × 156,642.84 - Step 4: Simplify right side
231,514.79x = 54,360,605,154.04 - Step 5: Solve for x
x = 54,360,605,154.04/231,514.79 - Step 6: Final answer
x = 234,804.03
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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.