Finding the Fourth Proportional to 396,129.24, 546,655.86 and 214,845.48
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Solution
The fourth proportional to 396,129.24, 546,655.86 and 214,845.48 is: 296,485.41
Step by Step Solution
- Step 1: Write the proportion equation
396,129.24 : 546,655.86 = 214,845.48 : x - Step 2: Convert to fraction form
396,129.24/546,655.86 = 214,845.48/x - Step 3: Cross multiply
396,129.24x = 546,655.86 × 214,845.48 - Step 4: Simplify right side
396,129.24x = 117,446,540,636.51 - Step 5: Solve for x
x = 117,446,540,636.51/396,129.24 - Step 6: Final answer
x = 296,485.41
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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.