Finding the Fourth Proportional to 412,180.68, 567,838.26 and 387,380.10
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Solution
The fourth proportional to 412,180.68, 567,838.26 and 387,380.10 is: 533,671.89
Step by Step Solution
- Step 1: Write the proportion equation
412,180.68 : 567,838.26 = 387,380.10 : x - Step 2: Convert to fraction form
412,180.68/567,838.26 = 387,380.10/x - Step 3: Cross multiply
412,180.68x = 567,838.26 × 387,380.10 - Step 4: Simplify right side
412,180.68x = 219,969,241,942.63 - Step 5: Solve for x
x = 219,969,241,942.63/412,180.68 - Step 6: Final answer
x = 533,671.89
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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.