Finding the Fourth Proportional to 230,757.56, 318,449.58 and 135,333.08
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Solution
The fourth proportional to 230,757.56, 318,449.58 and 135,333.08 is: 186,762.08
Step by Step Solution
- Step 1: Write the proportion equation
230,757.56 : 318,449.58 = 135,333.08 : x - Step 2: Convert to fraction form
230,757.56/318,449.58 = 135,333.08/x - Step 3: Cross multiply
230,757.56x = 318,449.58 × 135,333.08 - Step 4: Simplify right side
230,757.56x = 43,096,762,486.11 - Step 5: Solve for x
x = 43,096,762,486.11/230,757.56 - Step 6: Final answer
x = 186,762.08
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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.