Finding the Fourth Proportional to 239,692.16, 330,761.22 and 132,261.96
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Solution
The fourth proportional to 239,692.16, 330,761.22 and 132,261.96 is: 182,513.80
Step by Step Solution
- Step 1: Write the proportion equation
239,692.16 : 330,761.22 = 132,261.96 : x - Step 2: Convert to fraction form
239,692.16/330,761.22 = 132,261.96/x - Step 3: Cross multiply
239,692.16x = 330,761.22 × 132,261.96 - Step 4: Simplify right side
239,692.16x = 43,747,127,249.19 - Step 5: Solve for x
x = 43,747,127,249.19/239,692.16 - Step 6: Final answer
x = 182,513.80
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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.