Finding the Fourth Proportional to 113,292.75, 156,344.00 and 62,991.75
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Solution
The fourth proportional to 113,292.75, 156,344.00 and 62,991.75 is: 86,928.62
Step by Step Solution
- Step 1: Write the proportion equation
113,292.75 : 156,344.00 = 62,991.75 : x - Step 2: Convert to fraction form
113,292.75/156,344.00 = 62,991.75/x - Step 3: Cross multiply
113,292.75x = 156,344.00 × 62,991.75 - Step 4: Simplify right side
113,292.75x = 9,848,381,847.04 - Step 5: Solve for x
x = 9,848,381,847.04/113,292.75 - Step 6: Final answer
x = 86,928.62
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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.