Finding the Fourth Proportional to 665,035.50, 917,748.99 and 363,230.22
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Solution
The fourth proportional to 665,035.50, 917,748.99 and 363,230.22 is: 501,257.70
Step by Step Solution
- Step 1: Write the proportion equation
665,035.50 : 917,748.99 = 363,230.22 : x - Step 2: Convert to fraction form
665,035.50/917,748.99 = 363,230.22/x - Step 3: Cross multiply
665,035.50x = 917,748.99 × 363,230.22 - Step 4: Simplify right side
665,035.50x = 333,354,167,542.48 - Step 5: Solve for x
x = 333,354,167,542.48/665,035.50 - Step 6: Final answer
x = 501,257.70
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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.