Finding the Fourth Proportional to 147,589.41, 220,232.99 and 131,685.15
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Solution
The fourth proportional to 147,589.41, 220,232.99 and 131,685.15 is: 196,500.64
Step by Step Solution
- Step 1: Write the proportion equation
147,589.41 : 220,232.99 = 131,685.15 : x - Step 2: Convert to fraction form
147,589.41/220,232.99 = 131,685.15/x - Step 3: Cross multiply
147,589.41x = 220,232.99 × 131,685.15 - Step 4: Simplify right side
147,589.41x = 29,001,413,664.67 - Step 5: Solve for x
x = 29,001,413,664.67/147,589.41 - Step 6: Final answer
x = 196,500.64
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.