Finding the Fourth Proportional to 230,758.56, 318,450.96 and 135,334.08
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Solution
The fourth proportional to 230,758.56, 318,450.96 and 135,334.08 is: 186,763.46
Step by Step Solution
- Step 1: Write the proportion equation
230,758.56 : 318,450.96 = 135,334.08 : x - Step 2: Convert to fraction form
230,758.56/318,450.96 = 135,334.08/x - Step 3: Cross multiply
230,758.56x = 318,450.96 × 135,334.08 - Step 4: Simplify right side
230,758.56x = 43,097,267,696.72 - Step 5: Solve for x
x = 43,097,267,696.72/230,758.56 - Step 6: Final answer
x = 186,763.46
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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.