Finding the Fourth Proportional to 239,799.36, 330,941.44 and 132,390.08
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Solution
The fourth proportional to 239,799.36, 330,941.44 and 132,390.08 is: 182,708.43
Step by Step Solution
- Step 1: Write the proportion equation
239,799.36 : 330,941.44 = 132,390.08 : x - Step 2: Convert to fraction form
239,799.36/330,941.44 = 132,390.08/x - Step 3: Cross multiply
239,799.36x = 330,941.44 × 132,390.08 - Step 4: Simplify right side
239,799.36x = 43,813,363,716.92 - Step 5: Solve for x
x = 43,813,363,716.92/239,799.36 - Step 6: Final answer
x = 182,708.43
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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.