Finding the Fourth Proportional to 212,847.16, 317,392.97 and 202,382.20
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Solution
The fourth proportional to 212,847.16, 317,392.97 and 202,382.20 is: 301,787.85
Step by Step Solution
- Step 1: Write the proportion equation
212,847.16 : 317,392.97 = 202,382.20 : x - Step 2: Convert to fraction form
212,847.16/317,392.97 = 202,382.20/x - Step 3: Cross multiply
212,847.16x = 317,392.97 × 202,382.20 - Step 4: Simplify right side
212,847.16x = 64,234,687,533.13 - Step 5: Solve for x
x = 64,234,687,533.13/212,847.16 - Step 6: Final answer
x = 301,787.85
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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.