Finding the Fourth Proportional to 324,160.65, 486,135.82 and 107,961.84
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Solution
The fourth proportional to 324,160.65, 486,135.82 and 107,961.84 is: 161,907.74
Step by Step Solution
- Step 1: Write the proportion equation
324,160.65 : 486,135.82 = 107,961.84 : x - Step 2: Convert to fraction form
324,160.65/486,135.82 = 107,961.84/x - Step 3: Cross multiply
324,160.65x = 486,135.82 × 107,961.84 - Step 4: Simplify right side
324,160.65x = 52,484,117,617.11 - Step 5: Solve for x
x = 52,484,117,617.11/324,160.65 - Step 6: Final answer
x = 161,907.74
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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.