Finding the Fourth Proportional to 340,286.74, 469,622.82 and 197,049.31
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Solution
The fourth proportional to 340,286.74, 469,622.82 and 197,049.31 is: 271,943.75
Step by Step Solution
- Step 1: Write the proportion equation
340,286.74 : 469,622.82 = 197,049.31 : x - Step 2: Convert to fraction form
340,286.74/469,622.82 = 197,049.31/x - Step 3: Cross multiply
340,286.74x = 469,622.82 × 197,049.31 - Step 4: Simplify right side
340,286.74x = 92,538,852,641.25 - Step 5: Solve for x
x = 92,538,852,641.25/340,286.74 - Step 6: Final answer
x = 271,943.75
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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.