Finding the Fourth Proportional to 445,934.12, 615,213.90 and 254,844.99
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Solution
The fourth proportional to 445,934.12, 615,213.90 and 254,844.99 is: 351,585.97
Step by Step Solution
- Step 1: Write the proportion equation
445,934.12 : 615,213.90 = 254,844.99 : x - Step 2: Convert to fraction form
445,934.12/615,213.90 = 254,844.99/x - Step 3: Cross multiply
445,934.12x = 615,213.90 × 254,844.99 - Step 4: Simplify right side
445,934.12x = 156,784,180,193.36 - Step 5: Solve for x
x = 156,784,180,193.36/445,934.12 - Step 6: Final answer
x = 351,585.97
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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.