Finding the Fourth Proportional to 420,910.44, 580,846.86 and 229,924.68
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Solution
The fourth proportional to 420,910.44, 580,846.86 and 229,924.68 is: 317,290.84
Step by Step Solution
- Step 1: Write the proportion equation
420,910.44 : 580,846.86 = 229,924.68 : x - Step 2: Convert to fraction form
420,910.44/580,846.86 = 229,924.68/x - Step 3: Cross multiply
420,910.44x = 580,846.86 × 229,924.68 - Step 4: Simplify right side
420,910.44x = 133,551,028,414.51 - Step 5: Solve for x
x = 133,551,028,414.51/420,910.44 - Step 6: Final answer
x = 317,290.84
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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.