Finding the Fourth Proportional to 239,696.48, 330,782.74 and 132,270.23
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Solution
The fourth proportional to 239,696.48, 330,782.74 and 132,270.23 is: 182,533.80
Step by Step Solution
- Step 1: Write the proportion equation
239,696.48 : 330,782.74 = 132,270.23 : x - Step 2: Convert to fraction form
239,696.48/330,782.74 = 132,270.23/x - Step 3: Cross multiply
239,696.48x = 330,782.74 × 132,270.23 - Step 4: Simplify right side
239,696.48x = 43,752,709,596.11 - Step 5: Solve for x
x = 43,752,709,596.11/239,696.48 - Step 6: Final answer
x = 182,533.80
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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.