Finding the Fourth Proportional to 667,243.68, 920,798.16 and 361,323.68
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Solution
The fourth proportional to 667,243.68, 920,798.16 and 361,323.68 is: 498,627.70
Step by Step Solution
- Step 1: Write the proportion equation
667,243.68 : 920,798.16 = 361,323.68 : x - Step 2: Convert to fraction form
667,243.68/920,798.16 = 361,323.68/x - Step 3: Cross multiply
667,243.68x = 920,798.16 × 361,323.68 - Step 4: Simplify right side
667,243.68x = 332,706,179,708.43 - Step 5: Solve for x
x = 332,706,179,708.43/667,243.68 - Step 6: Final answer
x = 498,627.70
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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.