Finding the Fourth Proportional to 377,543.42, 520,892.64 and 214,172.99
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Solution
The fourth proportional to 377,543.42, 520,892.64 and 214,172.99 is: 295,492.19
Step by Step Solution
- Step 1: Write the proportion equation
377,543.42 : 520,892.64 = 214,172.99 : x - Step 2: Convert to fraction form
377,543.42/520,892.64 = 214,172.99/x - Step 3: Cross multiply
377,543.42x = 520,892.64 × 214,172.99 - Step 4: Simplify right side
377,543.42x = 111,561,131,573.33 - Step 5: Solve for x
x = 111,561,131,573.33/377,543.42 - Step 6: Final answer
x = 295,492.19
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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.