Finding the Fourth Proportional to 187,375.66, 258,571.94 and 106,829.12
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Solution
The fourth proportional to 187,375.66, 258,571.94 and 106,829.12 is: 147,420.50
Step by Step Solution
- Step 1: Write the proportion equation
187,375.66 : 258,571.94 = 106,829.12 : x - Step 2: Convert to fraction form
187,375.66/258,571.94 = 106,829.12/x - Step 3: Cross multiply
187,375.66x = 258,571.94 × 106,829.12 - Step 4: Simplify right side
187,375.66x = 27,623,012,919.18 - Step 5: Solve for x
x = 27,623,012,919.18/187,375.66 - Step 6: Final answer
x = 147,420.50
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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.