Finding the Fourth Proportional to 216,778.66, 324,747.20 and 159,749.08
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Solution
The fourth proportional to 216,778.66, 324,747.20 and 159,749.08 is: 239,313.53
Step by Step Solution
- Step 1: Write the proportion equation
216,778.66 : 324,747.20 = 159,749.08 : x - Step 2: Convert to fraction form
216,778.66/324,747.20 = 159,749.08/x - Step 3: Cross multiply
216,778.66x = 324,747.20 × 159,749.08 - Step 4: Simplify right side
216,778.66x = 51,878,066,020.08 - Step 5: Solve for x
x = 51,878,066,020.08/216,778.66 - Step 6: Final answer
x = 239,313.53
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.