Finding the Fourth Proportional to 331,795.44, 497,398.44 and 129,344.88
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Solution
The fourth proportional to 331,795.44, 497,398.44 and 129,344.88 is: 193,902.43
Step by Step Solution
- Step 1: Write the proportion equation
331,795.44 : 497,398.44 = 129,344.88 : x - Step 2: Convert to fraction form
331,795.44/497,398.44 = 129,344.88/x - Step 3: Cross multiply
331,795.44x = 497,398.44 × 129,344.88 - Step 4: Simplify right side
331,795.44x = 64,335,941,533.99 - Step 5: Solve for x
x = 64,335,941,533.99/331,795.44 - Step 6: Final answer
x = 193,902.43
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1.5x scale
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.