Finding the Fourth Proportional to 230,759.56, 318,452.34 and 135,335.08
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Solution
The fourth proportional to 230,759.56, 318,452.34 and 135,335.08 is: 186,764.84
Step by Step Solution
- Step 1: Write the proportion equation
230,759.56 : 318,452.34 = 135,335.08 : x - Step 2: Convert to fraction form
230,759.56/318,452.34 = 135,335.08/x - Step 3: Cross multiply
230,759.56x = 318,452.34 × 135,335.08 - Step 4: Simplify right side
230,759.56x = 43,097,772,910.09 - Step 5: Solve for x
x = 43,097,772,910.09/230,759.56 - Step 6: Final answer
x = 186,764.84
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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.