Finding the Fourth Proportional to 445,934.87, 615,214.94 and 254,845.74
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Solution
The fourth proportional to 445,934.87, 615,214.94 and 254,845.74 is: 351,587.01
Step by Step Solution
- Step 1: Write the proportion equation
445,934.87 : 615,214.94 = 254,845.74 : x - Step 2: Convert to fraction form
445,934.87/615,214.94 = 254,845.74/x - Step 3: Cross multiply
445,934.87x = 615,214.94 × 254,845.74 - Step 4: Simplify right side
445,934.87x = 156,784,905,369.13 - Step 5: Solve for x
x = 156,784,905,369.13/445,934.87 - Step 6: Final answer
x = 351,587.01
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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.