Finding the Fourth Proportional to 239,631.76, 330,692.97 and 132,201.78
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Solution
The fourth proportional to 239,631.76, 330,692.97 and 132,201.78 is: 182,439.09
Step by Step Solution
- Step 1: Write the proportion equation
239,631.76 : 330,692.97 = 132,201.78 : x - Step 2: Convert to fraction form
239,631.76/330,692.97 = 132,201.78/x - Step 3: Cross multiply
239,631.76x = 330,692.97 × 132,201.78 - Step 4: Simplify right side
239,631.76x = 43,718,199,267.49 - Step 5: Solve for x
x = 43,718,199,267.49/239,631.76 - Step 6: Final answer
x = 182,439.09
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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.