Finding the Fourth Proportional to 198,908.41, 274,500.85 and 108,259.99
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Solution
The fourth proportional to 198,908.41, 274,500.85 and 108,259.99 is: 149,402.73
Step by Step Solution
- Step 1: Write the proportion equation
198,908.41 : 274,500.85 = 108,259.99 : x - Step 2: Convert to fraction form
198,908.41/274,500.85 = 108,259.99/x - Step 3: Cross multiply
198,908.41x = 274,500.85 × 108,259.99 - Step 4: Simplify right side
198,908.41x = 29,717,460,066.14 - Step 5: Solve for x
x = 29,717,460,066.14/198,908.41 - Step 6: Final answer
x = 149,402.73
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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.