Finding the Fourth Proportional to 396,376.29, 546,770.52 and 252,974.70
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Solution
The fourth proportional to 396,376.29, 546,770.52 and 252,974.70 is: 348,959.09
Step by Step Solution
- Step 1: Write the proportion equation
396,376.29 : 546,770.52 = 252,974.70 : x - Step 2: Convert to fraction form
396,376.29/546,770.52 = 252,974.70/x - Step 3: Cross multiply
396,376.29x = 546,770.52 × 252,974.70 - Step 4: Simplify right side
396,376.29x = 138,319,108,265.84 - Step 5: Solve for x
x = 138,319,108,265.84/396,376.29 - Step 6: Final answer
x = 348,959.09
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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.