Finding the Fourth Proportional to 404,968.50, 558,856.53 and 226,120.50
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Solution
The fourth proportional to 404,968.50, 558,856.53 and 226,120.50 is: 312,046.29
Step by Step Solution
- Step 1: Write the proportion equation
404,968.50 : 558,856.53 = 226,120.50 : x - Step 2: Convert to fraction form
404,968.50/558,856.53 = 226,120.50/x - Step 3: Cross multiply
404,968.50x = 558,856.53 × 226,120.50 - Step 4: Simplify right side
404,968.50x = 126,368,917,991.87 - Step 5: Solve for x
x = 126,368,917,991.87/404,968.50 - Step 6: Final answer
x = 312,046.29
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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.