Finding the Fourth Proportional to 239,848.63, 330,991.60 and 132,418.87
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Solution
The fourth proportional to 239,848.63, 330,991.60 and 132,418.87 is: 182,738.31
Step by Step Solution
- Step 1: Write the proportion equation
239,848.63 : 330,991.60 = 132,418.87 : x - Step 2: Convert to fraction form
239,848.63/330,991.60 = 132,418.87/x - Step 3: Cross multiply
239,848.63x = 330,991.60 × 132,418.87 - Step 4: Simplify right side
239,848.63x = 43,829,532,161.92 - Step 5: Solve for x
x = 43,829,532,161.92/239,848.63 - Step 6: Final answer
x = 182,738.31
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1.5x scale
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.