Finding the Fourth Proportional to 331,793.44, 497,395.44 and 129,342.88
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Solution
The fourth proportional to 331,793.44, 497,395.44 and 129,342.88 is: 193,899.43
Step by Step Solution
- Step 1: Write the proportion equation
331,793.44 : 497,395.44 = 129,342.88 : x - Step 2: Convert to fraction form
331,793.44/497,395.44 = 129,342.88/x - Step 3: Cross multiply
331,793.44x = 497,395.44 × 129,342.88 - Step 4: Simplify right side
331,793.44x = 64,334,558,708.47 - Step 5: Solve for x
x = 64,334,558,708.47/331,793.44 - Step 6: Final answer
x = 193,899.43
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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.