Finding the Fourth Proportional to 252,997.72, 348,910.85 and 209,908.99
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Solution
The fourth proportional to 252,997.72, 348,910.85 and 209,908.99 is: 289,486.90
Step by Step Solution
- Step 1: Write the proportion equation
252,997.72 : 348,910.85 = 209,908.99 : x - Step 2: Convert to fraction form
252,997.72/348,910.85 = 209,908.99/x - Step 3: Cross multiply
252,997.72x = 348,910.85 × 209,908.99 - Step 4: Simplify right side
252,997.72x = 73,239,523,776.04 - Step 5: Solve for x
x = 73,239,523,776.04/252,997.72 - Step 6: Final answer
x = 289,486.90
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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.