Finding the Fourth Proportional to 436,062.36, 654,187.84 and 132,431.56
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Solution
The fourth proportional to 436,062.36, 654,187.84 and 132,431.56 is: 198,675.98
Step by Step Solution
- Step 1: Write the proportion equation
436,062.36 : 654,187.84 = 132,431.56 : x - Step 2: Convert to fraction form
436,062.36/654,187.84 = 132,431.56/x - Step 3: Cross multiply
436,062.36x = 654,187.84 × 132,431.56 - Step 4: Simplify right side
436,062.36x = 86,635,116,184.23 - Step 5: Solve for x
x = 86,635,116,184.23/436,062.36 - Step 6: Final answer
x = 198,675.98
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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.