Finding the Fourth Proportional to 194,069.70, 291,104.44 and 87,328.92
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Solution
The fourth proportional to 194,069.70, 291,104.44 and 87,328.92 is: 130,993.33
Step by Step Solution
- Step 1: Write the proportion equation
194,069.70 : 291,104.44 = 87,328.92 : x - Step 2: Convert to fraction form
194,069.70/291,104.44 = 87,328.92/x - Step 3: Cross multiply
194,069.70x = 291,104.44 × 87,328.92 - Step 4: Simplify right side
194,069.70x = 25,421,836,352.40 - Step 5: Solve for x
x = 25,421,836,352.40/194,069.70 - Step 6: Final answer
x = 130,993.33
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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.