Finding the Fourth Proportional to 213,905.83, 295,190.11 and 118,412.53
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Solution
The fourth proportional to 213,905.83, 295,190.11 and 118,412.53 is: 163,409.33
Step by Step Solution
- Step 1: Write the proportion equation
213,905.83 : 295,190.11 = 118,412.53 : x - Step 2: Convert to fraction form
213,905.83/295,190.11 = 118,412.53/x - Step 3: Cross multiply
213,905.83x = 295,190.11 × 118,412.53 - Step 4: Simplify right side
213,905.83x = 34,954,207,756.08 - Step 5: Solve for x
x = 34,954,207,756.08/213,905.83 - Step 6: Final answer
x = 163,409.33
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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.