Finding the Fourth Proportional to 396,827.05, 547,613.87 and 224,742.50
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Solution
The fourth proportional to 396,827.05, 547,613.87 and 224,742.50 is: 310,140.42
Step by Step Solution
- Step 1: Write the proportion equation
396,827.05 : 547,613.87 = 224,742.50 : x - Step 2: Convert to fraction form
396,827.05/547,613.87 = 224,742.50/x - Step 3: Cross multiply
396,827.05x = 547,613.87 × 224,742.50 - Step 4: Simplify right side
396,827.05x = 123,072,108,370.25 - Step 5: Solve for x
x = 123,072,108,370.25/396,827.05 - Step 6: Final answer
x = 310,140.42
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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.