Finding the Fourth Proportional to 667,116.62, 920,619.71 and 361,192.96
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Solution
The fourth proportional to 667,116.62, 920,619.71 and 361,192.96 is: 498,445.62
Step by Step Solution
- Step 1: Write the proportion equation
667,116.62 : 920,619.71 = 361,192.96 : x - Step 2: Convert to fraction form
667,116.62/920,619.71 = 361,192.96/x - Step 3: Cross multiply
667,116.62x = 920,619.71 × 361,192.96 - Step 4: Simplify right side
667,116.62x = 332,521,358,089.24 - Step 5: Solve for x
x = 332,521,358,089.24/667,116.62 - Step 6: Final answer
x = 498,445.62
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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.