Finding the Fourth Proportional to 292,276.20, 438,414.30 and 197,797.80
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Solution
The fourth proportional to 292,276.20, 438,414.30 and 197,797.80 is: 296,696.70
Step by Step Solution
- Step 1: Write the proportion equation
292,276.20 : 438,414.30 = 197,797.80 : x - Step 2: Convert to fraction form
292,276.20/438,414.30 = 197,797.80/x - Step 3: Cross multiply
292,276.20x = 438,414.30 × 197,797.80 - Step 4: Simplify right side
292,276.20x = 86,717,384,028.54 - Step 5: Solve for x
x = 86,717,384,028.54/292,276.20 - Step 6: Final answer
x = 296,696.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.