Finding the Fourth Proportional to 239,596.23, 330,749.07 and 154,754.67
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Solution
The fourth proportional to 239,596.23, 330,749.07 and 154,754.67 is: 213,630.09
Step by Step Solution
- Step 1: Write the proportion equation
239,596.23 : 330,749.07 = 154,754.67 : x - Step 2: Convert to fraction form
239,596.23/330,749.07 = 154,754.67/x - Step 3: Cross multiply
239,596.23x = 330,749.07 × 154,754.67 - Step 4: Simplify right side
239,596.23x = 51,184,963,180.66 - Step 5: Solve for x
x = 51,184,963,180.66/239,596.23 - Step 6: Final answer
x = 213,630.09
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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.