Finding the Fourth Proportional to 667,026.49, 920,495.41 and 361,102.75
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Solution
The fourth proportional to 667,026.49, 920,495.41 and 361,102.75 is: 498,321.17
Step by Step Solution
- Step 1: Write the proportion equation
667,026.49 : 920,495.41 = 361,102.75 : x - Step 2: Convert to fraction form
667,026.49/920,495.41 = 361,102.75/x - Step 3: Cross multiply
667,026.49x = 920,495.41 × 361,102.75 - Step 4: Simplify right side
667,026.49x = 332,393,423,913.38 - Step 5: Solve for x
x = 332,393,423,913.38/667,026.49 - Step 6: Final answer
x = 498,321.17
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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.