Finding the Fourth Proportional to 134,917.62, 202,341.15 and 40,122.30
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Solution
The fourth proportional to 134,917.62, 202,341.15 and 40,122.30 is: 60,172.96
Step by Step Solution
- Step 1: Write the proportion equation
134,917.62 : 202,341.15 = 40,122.30 : x - Step 2: Convert to fraction form
134,917.62/202,341.15 = 40,122.30/x - Step 3: Cross multiply
134,917.62x = 202,341.15 × 40,122.30 - Step 4: Simplify right side
134,917.62x = 8,118,392,322.65 - Step 5: Solve for x
x = 8,118,392,322.65/134,917.62 - Step 6: Final answer
x = 60,172.96
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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.