Finding the Fourth Proportional to 351,755.94, 485,447.01 and 198,741.06
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Solution
The fourth proportional to 351,755.94, 485,447.01 and 198,741.06 is: 274,276.12
Step by Step Solution
- Step 1: Write the proportion equation
351,755.94 : 485,447.01 = 198,741.06 : x - Step 2: Convert to fraction form
351,755.94/485,447.01 = 198,741.06/x - Step 3: Cross multiply
351,755.94x = 485,447.01 × 198,741.06 - Step 4: Simplify right side
351,755.94x = 96,478,253,341.23 - Step 5: Solve for x
x = 96,478,253,341.23/351,755.94 - Step 6: Final answer
x = 274,276.12
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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.