Finding the Fourth Proportional to 213,902.19, 295,187.36 and 118,410.48
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Solution
The fourth proportional to 213,902.19, 295,187.36 and 118,410.48 is: 163,407.75
Step by Step Solution
- Step 1: Write the proportion equation
213,902.19 : 295,187.36 = 118,410.48 : x - Step 2: Convert to fraction form
213,902.19/295,187.36 = 118,410.48/x - Step 3: Cross multiply
213,902.19x = 295,187.36 × 118,410.48 - Step 4: Simplify right side
213,902.19x = 34,953,276,395.48 - Step 5: Solve for x
x = 34,953,276,395.48/213,902.19 - Step 6: Final answer
x = 163,407.75
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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.