Finding the Fourth Proportional to 167,325.68, 250,914.84 and 78,604.40
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Solution
The fourth proportional to 167,325.68, 250,914.84 and 78,604.40 is: 117,871.99
Step by Step Solution
- Step 1: Write the proportion equation
167,325.68 : 250,914.84 = 78,604.40 : x - Step 2: Convert to fraction form
167,325.68/250,914.84 = 78,604.40/x - Step 3: Cross multiply
167,325.68x = 250,914.84 × 78,604.40 - Step 4: Simplify right side
167,325.68x = 19,723,010,449.30 - Step 5: Solve for x
x = 19,723,010,449.30/167,325.68 - Step 6: Final answer
x = 117,871.99
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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.