Finding the Fourth Proportional to 230,740.06, 318,361.11 and 135,195.42
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Solution
The fourth proportional to 230,740.06, 318,361.11 and 135,195.42 is: 186,534.42
Step by Step Solution
- Step 1: Write the proportion equation
230,740.06 : 318,361.11 = 135,195.42 : x - Step 2: Convert to fraction form
230,740.06/318,361.11 = 135,195.42/x - Step 3: Cross multiply
230,740.06x = 318,361.11 × 135,195.42 - Step 4: Simplify right side
230,740.06x = 43,040,963,978.12 - Step 5: Solve for x
x = 43,040,963,978.12/230,740.06 - Step 6: Final answer
x = 186,534.42
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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.