Finding the Fourth Proportional to 445,809.26, 615,216.71 and 254,826.75
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Solution
The fourth proportional to 445,809.26, 615,216.71 and 254,826.75 is: 351,660.88
Step by Step Solution
- Step 1: Write the proportion equation
445,809.26 : 615,216.71 = 254,826.75 : x - Step 2: Convert to fraction form
445,809.26/615,216.71 = 254,826.75/x - Step 3: Cross multiply
445,809.26x = 615,216.71 × 254,826.75 - Step 4: Simplify right side
445,809.26x = 156,773,674,754.99 - Step 5: Solve for x
x = 156,773,674,754.99/445,809.26 - Step 6: Final answer
x = 351,660.88
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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.