Finding the Fourth Proportional to 461,493.96, 637,149.96 and 353,857.20
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Solution
The fourth proportional to 461,493.96, 637,149.96 and 353,857.20 is: 488,543.99
Step by Step Solution
- Step 1: Write the proportion equation
461,493.96 : 637,149.96 = 353,857.20 : x - Step 2: Convert to fraction form
461,493.96/637,149.96 = 353,857.20/x - Step 3: Cross multiply
461,493.96x = 637,149.96 × 353,857.20 - Step 4: Simplify right side
461,493.96x = 225,460,100,825.71 - Step 5: Solve for x
x = 225,460,100,825.71/461,493.96 - Step 6: Final answer
x = 488,543.99
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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.