Finding the Fourth Proportional to 122,299.44, 168,846.84 and 79,928.88
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Solution
The fourth proportional to 122,299.44, 168,846.84 and 79,928.88 is: 110,349.96
Step by Step Solution
- Step 1: Write the proportion equation
122,299.44 : 168,846.84 = 79,928.88 : x - Step 2: Convert to fraction form
122,299.44/168,846.84 = 79,928.88/x - Step 3: Cross multiply
122,299.44x = 168,846.84 × 79,928.88 - Step 4: Simplify right side
122,299.44x = 13,495,738,812.74 - Step 5: Solve for x
x = 13,495,738,812.74/122,299.44 - Step 6: Final answer
x = 110,349.96
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1.5x scale
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.