Finding the Fourth Proportional to 284,467.62, 426,787.05 and 84,787.99
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Solution
The fourth proportional to 284,467.62, 426,787.05 and 84,787.99 is: 127,207.51
Step by Step Solution
- Step 1: Write the proportion equation
284,467.62 : 426,787.05 = 84,787.99 : x - Step 2: Convert to fraction form
284,467.62/426,787.05 = 84,787.99/x - Step 3: Cross multiply
284,467.62x = 426,787.05 × 84,787.99 - Step 4: Simplify right side
284,467.62x = 36,186,416,340.39 - Step 5: Solve for x
x = 36,186,416,340.39/284,467.62 - Step 6: Final answer
x = 127,207.51
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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.