Finding the Fourth Proportional to 239,758.79, 330,866.42 and 132,328.07
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Solution
The fourth proportional to 239,758.79, 330,866.42 and 132,328.07 is: 182,612.34
Step by Step Solution
- Step 1: Write the proportion equation
239,758.79 : 330,866.42 = 132,328.07 : x - Step 2: Convert to fraction form
239,758.79/330,866.42 = 132,328.07/x - Step 3: Cross multiply
239,758.79x = 330,866.42 × 132,328.07 - Step 4: Simplify right side
239,758.79x = 43,782,912,470.44 - Step 5: Solve for x
x = 43,782,912,470.44/239,758.79 - Step 6: Final answer
x = 182,612.34
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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.