Finding the Fourth Proportional to 351,124.16, 484,553.01 and 198,168.80
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Solution
The fourth proportional to 351,124.16, 484,553.01 and 198,168.80 is: 273,473.88
Step by Step Solution
- Step 1: Write the proportion equation
351,124.16 : 484,553.01 = 198,168.80 : x - Step 2: Convert to fraction form
351,124.16/484,553.01 = 198,168.80/x - Step 3: Cross multiply
351,124.16x = 484,553.01 × 198,168.80 - Step 4: Simplify right side
351,124.16x = 96,023,287,313.21 - Step 5: Solve for x
x = 96,023,287,313.21/351,124.16 - Step 6: Final answer
x = 273,473.88
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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.