Finding the Fourth Proportional to 669,120.91, 923,388.99 and 363,197.53
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Solution
The fourth proportional to 669,120.91, 923,388.99 and 363,197.53 is: 501,213.75
Step by Step Solution
- Step 1: Write the proportion equation
669,120.91 : 923,388.99 = 363,197.53 : x - Step 2: Convert to fraction form
669,120.91/923,388.99 = 363,197.53/x - Step 3: Cross multiply
669,120.91x = 923,388.99 × 363,197.53 - Step 4: Simplify right side
669,120.91x = 335,372,600,397.20 - Step 5: Solve for x
x = 335,372,600,397.20/669,120.91 - Step 6: Final answer
x = 501,213.75
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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.