Finding the Fourth Proportional to 396,101.64, 546,634.26 and 283,194.12
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Solution
The fourth proportional to 396,101.64, 546,634.26 and 283,194.12 is: 390,817.89
Step by Step Solution
- Step 1: Write the proportion equation
396,101.64 : 546,634.26 = 283,194.12 : x - Step 2: Convert to fraction form
396,101.64/546,634.26 = 283,194.12/x - Step 3: Cross multiply
396,101.64x = 546,634.26 × 283,194.12 - Step 4: Simplify right side
396,101.64x = 154,803,608,222.55 - Step 5: Solve for x
x = 154,803,608,222.55/396,101.64 - Step 6: Final answer
x = 390,817.89
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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.