Finding the Fourth Proportional to 667,104.24, 920,592.70 and 361,178.14
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Solution
The fourth proportional to 667,104.24, 920,592.70 and 361,178.14 is: 498,419.80
Step by Step Solution
- Step 1: Write the proportion equation
667,104.24 : 920,592.70 = 361,178.14 : x - Step 2: Convert to fraction form
667,104.24/920,592.70 = 361,178.14/x - Step 3: Cross multiply
667,104.24x = 920,592.70 × 361,178.14 - Step 4: Simplify right side
667,104.24x = 332,497,959,083.58 - Step 5: Solve for x
x = 332,497,959,083.58/667,104.24 - Step 6: Final answer
x = 498,419.80
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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.