Finding the Fourth Proportional to 167,331.68, 250,923.84 and 78,610.40
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Solution
The fourth proportional to 167,331.68, 250,923.84 and 78,610.40 is: 117,880.99
Step by Step Solution
- Step 1: Write the proportion equation
167,331.68 : 250,923.84 = 78,610.40 : x - Step 2: Convert to fraction form
167,331.68/250,923.84 = 78,610.40/x - Step 3: Cross multiply
167,331.68x = 250,923.84 × 78,610.40 - Step 4: Simplify right side
167,331.68x = 19,725,223,431.94 - Step 5: Solve for x
x = 19,725,223,431.94/167,331.68 - Step 6: Final answer
x = 117,880.99
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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.