Finding the Fourth Proportional to 324,992.70, 486,538.65 and 231,680.70
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Solution
The fourth proportional to 324,992.70, 486,538.65 and 231,680.70 is: 346,843.53
Step by Step Solution
- Step 1: Write the proportion equation
324,992.70 : 486,538.65 = 231,680.70 : x - Step 2: Convert to fraction form
324,992.70/486,538.65 = 231,680.70/x - Step 3: Cross multiply
324,992.70x = 486,538.65 × 231,680.70 - Step 4: Simplify right side
324,992.70x = 112,721,615,009.06 - Step 5: Solve for x
x = 112,721,615,009.06/324,992.70 - Step 6: Final answer
x = 346,843.53
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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.