Finding the Fourth Proportional to 343,819.44, 474,458.58 and 190,864.31
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Solution
The fourth proportional to 343,819.44, 474,458.58 and 190,864.31 is: 263,385.94
Step by Step Solution
- Step 1: Write the proportion equation
343,819.44 : 474,458.58 = 190,864.31 : x - Step 2: Convert to fraction form
343,819.44/474,458.58 = 190,864.31/x - Step 3: Cross multiply
343,819.44x = 474,458.58 × 190,864.31 - Step 4: Simplify right side
343,819.44x = 90,557,207,122.99 - Step 5: Solve for x
x = 90,557,207,122.99/343,819.44 - Step 6: Final answer
x = 263,385.94
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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.