Finding the Fourth Proportional to 207,147.98, 285,995.56 and 141,846.09
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Solution
The fourth proportional to 207,147.98, 285,995.56 and 141,846.09 is: 195,837.55
Step by Step Solution
- Step 1: Write the proportion equation
207,147.98 : 285,995.56 = 141,846.09 : x - Step 2: Convert to fraction form
207,147.98/285,995.56 = 141,846.09/x - Step 3: Cross multiply
207,147.98x = 285,995.56 × 141,846.09 - Step 4: Simplify right side
207,147.98x = 40,567,351,943.36 - Step 5: Solve for x
x = 40,567,351,943.36/207,147.98 - Step 6: Final answer
x = 195,837.55
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1.5x scale
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.