Finding the Fourth Proportional to 420,992.22, 581,583.96 and 364,305.18
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Solution
The fourth proportional to 420,992.22, 581,583.96 and 364,305.18 is: 503,273.08
Step by Step Solution
- Step 1: Write the proportion equation
420,992.22 : 581,583.96 = 364,305.18 : x - Step 2: Convert to fraction form
420,992.22/581,583.96 = 364,305.18/x - Step 3: Cross multiply
420,992.22x = 581,583.96 × 364,305.18 - Step 4: Simplify right side
420,992.22x = 211,874,049,232.91 - Step 5: Solve for x
x = 211,874,049,232.91/420,992.22 - Step 6: Final answer
x = 503,273.08
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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.