Finding the Fourth Proportional to 667,070.22, 920,549.70 and 361,140.96
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Solution
The fourth proportional to 667,070.22, 920,549.70 and 361,140.96 is: 498,370.62
Step by Step Solution
- Step 1: Write the proportion equation
667,070.22 : 920,549.70 = 361,140.96 : x - Step 2: Convert to fraction form
667,070.22/920,549.70 = 361,140.96/x - Step 3: Cross multiply
667,070.22x = 920,549.70 × 361,140.96 - Step 4: Simplify right side
667,070.22x = 332,448,202,385.71 - Step 5: Solve for x
x = 332,448,202,385.71/667,070.22 - Step 6: Final answer
x = 498,370.62
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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.