Finding the Fourth Proportional to 167,329.68, 250,920.84 and 78,608.40
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Solution
The fourth proportional to 167,329.68, 250,920.84 and 78,608.40 is: 117,877.99
Step by Step Solution
- Step 1: Write the proportion equation
167,329.68 : 250,920.84 = 78,608.40 : x - Step 2: Convert to fraction form
167,329.68/250,920.84 = 78,608.40/x - Step 3: Cross multiply
167,329.68x = 250,920.84 × 78,608.40 - Step 4: Simplify right side
167,329.68x = 19,724,485,759.06 - Step 5: Solve for x
x = 19,724,485,759.06/167,329.68 - Step 6: Final answer
x = 117,877.99
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1.5x scale
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.