Finding the Fourth Proportional to 396,037.62, 546,533.19 and 214,749.42
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Solution
The fourth proportional to 396,037.62, 546,533.19 and 214,749.42 is: 296,354.89
Step by Step Solution
- Step 1: Write the proportion equation
396,037.62 : 546,533.19 = 214,749.42 : x - Step 2: Convert to fraction form
396,037.62/546,533.19 = 214,749.42/x - Step 3: Cross multiply
396,037.62x = 546,533.19 × 214,749.42 - Step 4: Simplify right side
396,037.62x = 117,367,685,563.25 - Step 5: Solve for x
x = 117,367,685,563.25/396,037.62 - Step 6: Final answer
x = 296,354.89
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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.