Finding the Fourth Proportional to 213,938.88, 295,239.84 and 118,442.88
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Solution
The fourth proportional to 213,938.88, 295,239.84 and 118,442.88 is: 163,453.49
Step by Step Solution
- Step 1: Write the proportion equation
213,938.88 : 295,239.84 = 118,442.88 : x - Step 2: Convert to fraction form
213,938.88/295,239.84 = 118,442.88/x - Step 3: Cross multiply
213,938.88x = 295,239.84 × 118,442.88 - Step 4: Simplify right side
213,938.88x = 34,969,056,940.34 - Step 5: Solve for x
x = 34,969,056,940.34/213,938.88 - Step 6: Final answer
x = 163,453.49
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.