Finding the Fourth Proportional to 396,059.11, 546,560.47 and 214,770.48
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Solution
The fourth proportional to 396,059.11, 546,560.47 and 214,770.48 is: 296,382.66
Step by Step Solution
- Step 1: Write the proportion equation
396,059.11 : 546,560.47 = 214,770.48 : x - Step 2: Convert to fraction form
396,059.11/546,560.47 = 214,770.48/x - Step 3: Cross multiply
396,059.11x = 546,560.47 × 214,770.48 - Step 4: Simplify right side
396,059.11x = 117,385,054,490.93 - Step 5: Solve for x
x = 117,385,054,490.93/396,059.11 - Step 6: Final answer
x = 296,382.66
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1.5x scale
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.