Finding the Fourth Proportional to 230,181.97, 317,397.23 and 157,596.81
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Solution
The fourth proportional to 230,181.97, 317,397.23 and 157,596.81 is: 217,309.77
Step by Step Solution
- Step 1: Write the proportion equation
230,181.97 : 317,397.23 = 157,596.81 : x - Step 2: Convert to fraction form
230,181.97/317,397.23 = 157,596.81/x - Step 3: Cross multiply
230,181.97x = 317,397.23 × 157,596.81 - Step 4: Simplify right side
230,181.97x = 50,020,790,450.08 - Step 5: Solve for x
x = 50,020,790,450.08/230,181.97 - Step 6: Final answer
x = 217,309.77
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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.