Finding the Fourth Proportional to 396,169.92, 546,705.90 and 224,065.08
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Solution
The fourth proportional to 396,169.92, 546,705.90 and 224,065.08 is: 309,204.95
Step by Step Solution
- Step 1: Write the proportion equation
396,169.92 : 546,705.90 = 224,065.08 : x - Step 2: Convert to fraction form
396,169.92/546,705.90 = 224,065.08/x - Step 3: Cross multiply
396,169.92x = 546,705.90 × 224,065.08 - Step 4: Simplify right side
396,169.92x = 122,497,701,219.97 - Step 5: Solve for x
x = 122,497,701,219.97/396,169.92 - Step 6: Final answer
x = 309,204.95
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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.