Finding the Fourth Proportional to 213,961.51, 295,283.51 and 118,477.09
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Solution
The fourth proportional to 213,961.51, 295,283.51 and 118,477.09 is: 163,507.59
Step by Step Solution
- Step 1: Write the proportion equation
213,961.51 : 295,283.51 = 118,477.09 : x - Step 2: Convert to fraction form
213,961.51/295,283.51 = 118,477.09/x - Step 3: Cross multiply
213,961.51x = 295,283.51 × 118,477.09 - Step 4: Simplify right side
213,961.51x = 34,984,330,989.79 - Step 5: Solve for x
x = 34,984,330,989.79/213,961.51 - Step 6: Final answer
x = 163,507.59
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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.