Finding the Fourth Proportional to 396,914.53, 547,621.26 and 224,805.19
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Solution
The fourth proportional to 396,914.53, 547,621.26 and 224,805.19 is: 310,162.75
Step by Step Solution
- Step 1: Write the proportion equation
396,914.53 : 547,621.26 = 224,805.19 : x - Step 2: Convert to fraction form
396,914.53/547,621.26 = 224,805.19/x - Step 3: Cross multiply
396,914.53x = 547,621.26 × 224,805.19 - Step 4: Simplify right side
396,914.53x = 123,108,101,402.34 - Step 5: Solve for x
x = 123,108,101,402.34/396,914.53 - Step 6: Final answer
x = 310,162.75
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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.