Finding the Fourth Proportional to 445,714.14, 615,087.36 and 254,733.96
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Solution
The fourth proportional to 445,714.14, 615,087.36 and 254,733.96 is: 351,533.92
Step by Step Solution
- Step 1: Write the proportion equation
445,714.14 : 615,087.36 = 254,733.96 : x - Step 2: Convert to fraction form
445,714.14/615,087.36 = 254,733.96/x - Step 3: Cross multiply
445,714.14x = 615,087.36 × 254,733.96 - Step 4: Simplify right side
445,714.14x = 156,683,638,958.75 - Step 5: Solve for x
x = 156,683,638,958.75/445,714.14 - Step 6: Final answer
x = 351,533.92
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1.5x scale
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.