Finding the Fourth Proportional to 180,114.44, 270,201.35 and 74,940.80
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Solution
The fourth proportional to 180,114.44, 270,201.35 and 74,940.80 is: 112,423.55
Step by Step Solution
- Step 1: Write the proportion equation
180,114.44 : 270,201.35 = 74,940.80 : x - Step 2: Convert to fraction form
180,114.44/270,201.35 = 74,940.80/x - Step 3: Cross multiply
180,114.44x = 270,201.35 × 74,940.80 - Step 4: Simplify right side
180,114.44x = 20,249,103,604.37 - Step 5: Solve for x
x = 20,249,103,604.37/180,114.44 - Step 6: Final answer
x = 112,423.55
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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.