Finding the Fourth Proportional to 422,115.31, 633,173.55 and 122,596.75
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Solution
The fourth proportional to 422,115.31, 633,173.55 and 122,596.75 is: 183,895.29
Step by Step Solution
- Step 1: Write the proportion equation
422,115.31 : 633,173.55 = 122,596.75 : x - Step 2: Convert to fraction form
422,115.31/633,173.55 = 122,596.75/x - Step 3: Cross multiply
422,115.31x = 633,173.55 × 122,596.75 - Step 4: Simplify right side
422,115.31x = 77,625,019,415.96 - Step 5: Solve for x
x = 77,625,019,415.96/422,115.31 - Step 6: Final answer
x = 183,895.29
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.