Finding the Fourth Proportional to 396,176.59, 546,719.67 and 214,884.62
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Solution
The fourth proportional to 396,176.59, 546,719.67 and 214,884.62 is: 296,538.60
Step by Step Solution
- Step 1: Write the proportion equation
396,176.59 : 546,719.67 = 214,884.62 : x - Step 2: Convert to fraction form
396,176.59/546,719.67 = 214,884.62/x - Step 3: Cross multiply
396,176.59x = 546,719.67 × 214,884.62 - Step 4: Simplify right side
396,176.59x = 117,481,649,364.06 - Step 5: Solve for x
x = 117,481,649,364.06/396,176.59 - Step 6: Final answer
x = 296,538.60
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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.