Finding the Fourth Proportional to 372,635.10, 514,193.58 and 211,458.06
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Solution
The fourth proportional to 372,635.10, 514,193.58 and 211,458.06 is: 291,787.80
Step by Step Solution
- Step 1: Write the proportion equation
372,635.10 : 514,193.58 = 211,458.06 : x - Step 2: Convert to fraction form
372,635.10/514,193.58 = 211,458.06/x - Step 3: Cross multiply
372,635.10x = 514,193.58 × 211,458.06 - Step 4: Simplify right side
372,635.10x = 108,730,376,891.26 - Step 5: Solve for x
x = 108,730,376,891.26/372,635.10 - Step 6: Final answer
x = 291,787.80
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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.