Finding the Fourth Proportional to 504,891.71, 696,750.51 and 278,537.21
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Solution
The fourth proportional to 504,891.71, 696,750.51 and 278,537.21 is: 384,381.32
Step by Step Solution
- Step 1: Write the proportion equation
504,891.71 : 696,750.51 = 278,537.21 : x - Step 2: Convert to fraction form
504,891.71/696,750.51 = 278,537.21/x - Step 3: Cross multiply
504,891.71x = 696,750.51 × 278,537.21 - Step 4: Simplify right side
504,891.71x = 194,070,943,121.48 - Step 5: Solve for x
x = 194,070,943,121.48/504,891.71 - Step 6: Final answer
x = 384,381.32
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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.